| Abbrev | An abbreviation, especially one followed by a period |
| Abstract | A summary |
| Accel | A graphical user interface (GUI) keyboard shortcut |
| Ackno | Acknowledgements in an Article |
| Acronym | An often pronounceable word made from the initial (or selected) letters of a name or phrase |
| Action | A response to a user event |
| Address | A real-world address, generally a postal address |
| Affiliation | The institutional affiliation of an individual |
| Alt | Text representation for a graphical element |
| Anchor | A spot in the document |
| Answer | An answer to a question posed in a QandASet |
| Appendix | An appendix in a Book or Article |
| Application | The name of a software program |
| Area | A region defined for a Callout in a graphic or code example |
| AreaSet | A set of related areas in a graphic or code example |
| AreaSpec | A collection of regions in a graphic or code example |
| Arg | An argument in a CmdSynopsis |
| ArtHeader | Meta-information for an Article |
| ArtPageNums | The page numbers of an article as published |
| Article | An article |
| Attribution | The source of a block quote or epigraph |
| AudioData | Pointer to external audio data |
| AudioObject | A wrapper for audio data and its associated meta-information |
| Author | The name of an individual author |
| AuthorBlurb | A short description or note about an author |
| AuthorGroup | Wrapper for author information when a document has multiple authors or collabarators |
| AuthorInitials | The initials or other short identifier for an author |
| BeginPage | The location of a page break in a print version of the document |
| BiblioDiv | A section of a Bibliography |
| BiblioEntry | An entry in a Bibliography |
| BiblioMSet | A “cooked” container for related bibliographic information |
| BiblioMisc | Untyped bibliographic information |
| BiblioMixed | An entry in a Bibliography |
| BiblioSet | A “raw” container for related bibliographic information |
| Bibliography | A bibliography |
| BlockQuote | A quotation set off from the main text |
| Book | A book |
| BookBiblio | Meta-information about a book used in a bibliographical citation |
| BookInfo | Meta-information for a Book |
| BridgeHead | A free-floating heading |
| CO | The location of a callout embedded in text |
| Callout | A called out description of a marked Area |
| CalloutList | A list of Callouts |
| Caption | A caption |
| Caution | A note of caution |
| Chapter | A chapter, as of a book |
| Citation | An inline bibliographic reference to another published work |
| CiteRefEntry | A citation to a reference page |
| CiteTitle | The title of a cited work |
| City | The name of a city in an address |
| ClassName | The name of a class, in the object-oriented programming sense |
| CmdSynopsis | A syntax summary for a software command |
| ColSpec | Specifications for a column in a table |
| Collab | Identifies a collaborator |
| CollabName | The name of a collaborator |
| Colophon | Text at the back of a book describing facts about its production |
| Command | The name of an executable program or other software command |
| Comment | A comment intended for presentation in a draft manuscript |
| ComputerOutput | Data, generally text, displayed or presented by a computer |
| ConfDates | The dates of a conference for which a document was written |
| ConfGroup | A wrapper for document meta-information about a conference |
| ConfNum | An identifier, frequently numerical, associated with a conference for which a document was written |
| ConfSponsor | The sponsor of a conference for which a document was written |
| ConfTitle | The title of a conference for which a document was written |
| Constant | A programming or system constant |
| ContractNum | The contract number of a document |
| ContractSponsor | The sponsor of a contract |
| Contrib | A summary of the contributions made to a document by a credited source |
| Copyright | Copyright information about a document |
| CorpAuthor | A corporate author, as opposed to an individual |
| CorpName | The name of a corporation |
| Country | The name of a country |
| Database | The name of a database, or part of a database |
| Date | The date of publication or revision of a document |
| Dedication | A wrapper for the dedication section of a book |
| DocInfo | Meta-data for a book component |
| Edition | The name or number of an edition of a document |
| Editor | The name of the editor of a document |
| Email | An email address |
| Emphasis | Emphasized text |
| EnVar | A software environment variable |
| Entry | A cell in a table |
| EntryTbl | A subtable appearing in place of an Entry in a table |
| Epigraph | A short inscription at the beginning of a document or component |
| Equation | A displayed mathematical equation |
| ErrorCode | An error code |
| ErrorName | An error name |
| ErrorType | The classification of an error message |
| Example | A formal example, with a title |
| Fax | A fax number |
| Figure | A formal figure, generally an illustration, with a title |
| Filename | The name of a file |
| FirstName | The first name of a person |
| FirstTerm | The first occurrence of a term |
| Footnote | A footnote |
| FootnoteRef | A cross reference to a footnote (a footnote mark) |
| ForeignPhrase | A word or phrase in a language other than the primary language of the document |
| FormalPara | A paragraph with a title |
| FuncDef | A function (subroutine) name and its return type |
| FuncParams | Parameters for a function referenced through a function pointer in a synopsis |
| FuncPrototype | The prototype of a function |
| FuncSynopsis | The syntax summary for a function definition |
| FuncSynopsisInfo | Information supplementing the FuncDefs of a FuncSynopsis |
| Function | The name of a function or subroutine, as in a programming language |
| GUIButton | The text on a button in a GUI |
| GUIIcon | Graphic and/or text appearing as a icon in a GUI |
| GUILabel | The text of a label in a GUI |
| GUIMenu | The name of a menu in a GUI |
| GUIMenuItem | The name of a terminal menu item in a GUI |
| GUISubmenu | The name of a submenu in a GUI |
| GlossDef | A definition in a GlossEntry |
| GlossDiv | A division in a Glossary |
| GlossEntry | An entry in a Glossary or GlossList |
| GlossList | A wrapper for a set of GlossEntrys |
| GlossSee | A cross-reference from one GlossEntry to another |
| GlossSeeAlso | A cross-reference from one GlossEntry to another |
| GlossTerm | A glossary term |
| Glossary | A glossary |
| Graphic | A displayed graphical object (not an inline) |
| GraphicCO | A graphic that contains callout areas |
| Group | A group of elements in a CmdSynopsis |
| Hardware | A physical part of a computer system |
| Highlights | A summary of the main points of the discussed component |
| Holder | The name of the individual or organization that holds a copyright |
| Honorific | The title of a person |
| ISBN | The International Standard Book Number of a document |
| ISSN | The International Standard Serial Number of a periodical |
| ITermSet | A set of index terms in the meta-information of a document |
| ImageData | Pointer to external image data |
| ImageObject | A wrapper for image data and its associated meta-information |
| ImageObjectCO | A wrapper for an image object with callouts |
| Important | An admonition set off from the text |
| Index | An index |
| IndexDiv | A division in an index |
| IndexEntry | An entry in an index |
| IndexTerm | A wrapper for terms to be indexed |
| InformalEquation | A displayed mathematical equation without a title |
| InformalExample | A displayed example without a title |
| InformalFigure | A untitled figure |
| InformalTable | A table without a title |
| InlineEquation | A mathematical equation or expression occurring inline |
| InlineGraphic | An object containing or pointing to graphical data that will be rendered inline |
| InlineMediaObject | An inline media object (video, audio, image, and so on) |
| Interface | An element of a GUI |
| InterfaceDefinition | The name of a formal specification of a GUI |
| InvPartNumber | An inventory part number |
| IssueNum | The number of an issue of a journal |
| ItemizedList | A list in which each entry is marked with a bullet or other dingbat |
| JobTitle | The title of an individual in an organization |
| KeyCap | The text printed on a key on a keyboard |
| KeyCode | The internal, frequently numeric, identifier for a key on a keyboard |
| KeyCombo | A combination of input actions |
| KeySym | The symbolic name of a key on a keyboard |
| Keyword | One of a set of keywords describing the content of a document |
| KeywordSet | A set of keywords describing the content of a document |
| LegalNotice | A statement of legal obligations or requirements |
| LineAnnotation | A comment on a line in a verbatim listing |
| Lineage | The portion of a person's name indicating a relationship to ancestors |
| Link | A hypertext link |
| ListItem | A wrapper for the elements of a list item |
| Literal | Inline text that is some literal value |
| LiteralLayout | A block of text in which line breaks and white space are to be reproduced faithfully |
| LoT | A list of the titles of formal objects (as tables or figures) in a document |
| LoTentry | An entry in a list of titles |
| ManVolNum | A reference volume number |
| Markup | A string of formatting markup in text that is to be represented literally |
| MediaLabel | A name that identifies the physical medium on which some information resides |
| MediaObject | A displayed media object (video, audio, image, etc.) |
| MediaObjectCO | A media object that contains callouts |
| Member | An element of a simple list |
| MenuChoice | A selection or series of selections from a menu |
| ModeSpec | Application-specific information necessary for the completion of an OLink |
| MouseButton | The conventional name of a mouse button |
| Msg | A message in a message set |
| MsgAud | The audience to which a message in a message set is relevant |
| MsgEntry | A wrapper for an entry in a message set |
| MsgExplan | Explanatory material relating to a message in a message set |
| MsgInfo | Information about a message in a message set |
| MsgLevel | The level of importance or severity of a message in a message set |
| MsgMain | The primary component of a message in a message set |
| MsgOrig | The origin of a message in a message set |
| MsgRel | A related component of a message in a message set |
| MsgSet | A detailed set of messages, usually error messages |
| MsgSub | A subcomponent of a message in a message set |
| MsgText | The actual text of a message component in a message set |
| Note | A message set off from the text |
| OLink | A link that addresses its target indirectly, through an entity |
| ObjectInfo | Meta-information for an object |
| Option | An option for a software command |
| Optional | Optional information |
| OrderedList | A list in which each entry is marked with a sequentially incremented label |
| OrgDiv | A division of an organization |
| OrgName | The name of an organization other than a corporation |
| OtherAddr | Uncategorized information in address |
| OtherCredit | A person or entity, other than an author or editor, credited in a document |
| OtherName | A component of a persons name that is not a first name, surname, or lineage |
| POB | A post office box in an address |
| PageNums | The numbers of the pages in a book, for use in a bibliographic entry |
| Para | A paragraph |
| ParamDef | Information about a function parameter in a programming language |
| Parameter | A value or a symbolic reference to a value |
| Part | A division in a book |
| PartIntro | An introduction to the contents of a part |
| Phone | A telephone number |
| Phrase | A span of text |
| Postcode | A postal code in an address |
| Preface | Introductory matter preceding the first chapter of a book |
| Primary | The primary word or phrase under which an index term should be sorted |
| PrimaryIE | A primary term in an index entry, not in the text |
| PrintHistory | The printing history of a document |
| Procedure | A list of operations to be performed in a well-defined sequence |
| ProductName | The formal name of a product |
| ProductNumber | A number assigned to a product |
| ProgramListing | A literal listing of all or part of a program |
| ProgramListingCO | A program listing with associated areas used in callouts |
| Prompt | A character or string indicating the start of an input field in a computer display |
| Property | A unit of data associated with some part of a computer system |
| PubDate | The date of publication of a document |
| Publisher | The publisher of a document |
| PublisherName | The name of the publisher of a document |
| PubsNumber | A number assigned to a publication other than an ISBN or ISSN or inventory part number |
| QandADiv | A titled division in a QandASet |
| QandAEntry | A question/answer set within a QandASet |
| QandASet | A question-and-answer set |
| Question | A question in a QandASet |
| Quote | An inline quotation |
| RefClass | The scope or other indication of applicability of a reference entry |
| RefDescriptor | A description of the topic of a reference page |
| RefEntry | A reference page (originally a UNIX man-style reference page) |
| RefEntryTitle | The title of a reference page |
| RefMeta | Meta-information for a reference entry |
| RefMiscInfo | Meta-information for a reference entry other than the title and volume number |
| RefName | The name of (one of) the subject(s) of a reference page |
| RefNameDiv | The name, purpose, and classification of a reference page |
| RefPurpose | A short (one sentence) synopsis of the topic of a reference page |
| RefSect1 | A major subsection of a reference entry |
| RefSect1Info | Meta-information for a RefSect1 |
| RefSect2 | A subsection of a RefSect1 |
| RefSect2Info | Meta-information for a RefSect2 |
| RefSect3 | A subsection of a RefSect2 |
| RefSect3Info | Meta-information for a RefSect3 |
| RefSynopsisDiv | A syntactic synopsis of the subject of the reference page |
| RefSynopsisDivInfo | Meta-information for a RefSynopsisDiv |
| Reference | A collection of reference entries |
| ReleaseInfo | Information about a particular release of a document |
| Replaceable | Content that may or must be replaced by the user |
| ReturnValue | The value returned by a function |
| RevHistory | A history of the revisions to a document |
| RevNumber | A document revision number |
| RevRemark | A description of a revision to a document |
| Revision | An entry describing a single revision in the history of the revisions to a document |
| Row | A row in a table |
| SBR | An explicit line break in a command synopsis |
| SGMLTag | A component of SGML markup |
| Screen | Text that a user sees or might see on a computer screen |
| ScreenCO | A screen with associated areas used in callouts |
| ScreenInfo | Information about how a screen shot was produced |
| ScreenShot | A representation of what the user sees or might see on a computer screen |
| Secondary | A secondary word or phrase in an index term |
| SecondaryIE | A secondary term in an index entry, rather than in the text |
| Sect1 | A top-level section of document |
| Sect1Info | Meta-information for a Sect1 |
| Sect2 | A subsection within a Sect1 |
| Sect2Info | Meta-information for a Sect2 |
| Sect3 | A subsection within a Sect2 |
| Sect3Info | Meta-information for a Sect3 |
| Sect4 | A subsection within a Sect3 |
| Sect4Info | Meta-information for a Sect4 |
| Sect5 | A subsection within a Sect4 |
| Sect5Info | Meta-information for a Sect5 |
| Section | A recursive section |
| SectionInfo | Meta-information for a recursive section |
| See | Part of an index term directing the reader instead to another entry in the index |
| SeeAlso | Part of an index term directing the reader also to another entry in the index |
| SeeAlsoIE | A “See also” entry in an index, rather than in the text |
| SeeIE | A “See” entry in an index, rather than in the text |
| Seg | An element of a list item in a segmented list |
| SegListItem | A list item in a segmented list |
| SegTitle | The title of an element of a list item in a segmented list |
| SegmentedList | A segmented list, a list of sets of elements |
| SeriesInfo | Information about the publication series of which a book is a part |
| SeriesVolNums | Numbers of the volumes in a series of books |
| Set | A collection of books |
| SetIndex | An index to a set of books |
| SetInfo | Meta-information for a Set |
| ShortAffil | A brief description of an affiliation |
| Shortcut | A key combination for an action that is also accessible through a menu |
| Sidebar | A portion of a document that is isolated from the main narrative flow |
| SimPara | A paragraph that contains only text and inline markup, no block elements |
| SimpleList | An undecorated list of single words or short phrases |
| SimpleSect | A section of a document with no subdivisions |
| SpanSpec | Formatting information for a spanned column in a table |
| State | A state or province in an address |
| Step | A unit of action in a procedure |
| Street | A street address in an address |
| StructField | A field in a structure (in the programming language sense) |
| StructName | The name of a structure (in the programming language sense) |
| SubSteps | A wrapper for steps that occur within steps in a procedure |
| Subject | One of a group of terms describing the subject matter of a document |
| SubjectSet | A set of terms describing the subject matter of a document |
| SubjectTerm | A term in a group of terms describing the subject matter of a document |
| Subscript | A subscript (as in H2O, the molecular formula for water) |
| Subtitle | The subtitle of a document |
| Superscript | A superscript (as in x2, the mathematical notation for x multiplied by itself) |
| Surname | A family name; in western cultures the “last name” |
| Symbol | A name that is replaced by a value before processing |
| SynopFragment | A portion of a CmdSynopsis broken out from the main body of the synopsis |
| SynopFragmentRef | A reference to a fragment of a command synopsis |
| Synopsis | A general-purpose element for representing the syntax of commands or functions |
| SystemItem | A system-related item or term |
| TBody | A wrapper for the rows of a table or informal table |
| TFoot | A table footer consisting of one or more rows |
| TGroup | A wrapper for the main content of a table, or part of a table |
| THead | A table header consisting of one or more rows |
| Table | A formal table in a document |
| Term | The word or phrase being defined or described in a variable list |
| Tertiary | A tertiary word or phrase in an index term |
| TertiaryIE | A tertiary term in an index entry, rather than in the text |
| TextObject | A wrapper for a text description of an object and its associated meta-information |
| Tip | A suggestion to the user, set off from the text |
| Title | The text of the title of a section of a document or of a formal block-level element |
| TitleAbbrev | The abbreviation of a Title |
| ToC | A table of contents |
| ToCback | An entry in a table of contents for a back matter component |
| ToCchap | An entry in a table of contents for a component in the body of a document |
| ToCentry | A component title in a table of contents |
| ToCfront | An entry in a table of contents for a front matter component |
| ToClevel1 | A top-level entry within a table of contents entry for a chapter-like component |
| ToClevel2 | A second-level entry within a table of contents entry for a chapter-like component |
| ToClevel3 | A third-level entry within a table of contents entry for a chapter-like component |
| ToClevel4 | A fourth-level entry within a table of contents entry for a chapter-like component |
| ToClevel5 | A fifth-level entry within a table of contents entry for a chapter-like component |
| ToCpart | An entry in a table of contents for a part of a book |
| Token | A unit of information |
| Trademark | A trademark |
| Type | The classification of a value |
| ULink | A link that addresses its target by means of a URL (Uniform Resource Locator) |
| UserInput | Data entered by the user |
| VarArgs | An empty element in a function synopsis indicating a variable number of arguments |
| VarListEntry | A wrapper for a set of terms and the associated description in a variable list |
| VarName | The name of a variable |
| VariableList | A list in which each entry is composed of a set of one or more terms and an associated description |
| VideoData | Pointer to external video data |
| VideoObject | A wrapper for video data and its associated meta-information |
| Void | An empty element in a function synopsis indicating that the function in question takes no arguments |
| VolumeNum | The volume number of a document in a set (as of books in a set or articles in a journal) |
| Warning | An admonition set off from the text |
| WordAsWord | A word meant specifically as a word and not representing anything else |
| XRef | A cross reference to another part of the document |
| Year | The year of publication of a document |
