firstterm — The first occurrence of a term
firstterm ::=
abbrevaccelacronymaltanchorannotationapplicationauthorbibliorefcitationcitebiblioidciterefentrycitetitleclassnamecodecommandcomputeroutputconstantcorefdatabasedateeditoremailemphasis (db.emphasis)envarerrorcodeerrornameerrortexterrortypeexceptionnamefilenamefirsttermfootnotefootnoterefforeignphrasefunctionglosstermguibuttonguiiconguilabelguimenuguimenuitemguisubmenuhardwarehtml:buttonhtml:fieldsethtml:inputhtml:labelhtml:selecthtml:textareaindexterm (db.indexterm.endofrange)indexterm (db.indexterm.singular)indexterm (db.indexterm.startofrange)initializerinlineequationinlinemediaobjectinterfacenamekeycapkeycodekeycombokeysymlinkliteralmarkupmenuchoicemethodnamemodifiermousebuttonnonterminalolinkooclassooexceptionoointerfaceoptionoptionalorgnamepackageparameterpersonnamephrase (db.phrase)productnameproductnumberpromptpropertyquoteremarkreplaceablereturnvalueshortcutsubscriptsuperscriptsymbolsystemitemtagtermdeftokentrademarktypeuriuserinputvarnamewordaswordxrefThis element marks the first occurrence of a word or term in a given context.
Formatted inline.
FirstTerms are often given special 
typographic treatment,
such as italics.
These elements contain firstterm: bridgehead, citation, citetitle, classsynopsisinfo, emphasis (db.emphasis), entry, firstterm, foreignphrase, funcsynopsisinfo, glosssee, glossseealso, glossterm, html:button, html:label, html:legend, link, literallayout, member, olink, orgdiv, para, phrase (db.phrase), primary, primaryie, programlisting, quote, refdescriptor, refentrytitle, refname, refpurpose, screen, secondary, secondaryie, see, seealso, seealsoie, seeie, seg, segtitle, simpara, subtitle, synopsis, td, term, termdef, tertiary, tertiaryie, th, title, titleabbrev, tocentry.
The following elements occur in firstterm: text, abbrev, accel, acronym, alt, anchor, annotation, application, author, biblioref, citation, citebiblioid, citerefentry, citetitle, classname, code, command, computeroutput, constant, coref, database, date, editor, email, emphasis (db.emphasis), envar, errorcode, errorname, errortext, errortype, exceptionname, filename, firstterm, footnote, footnoteref, foreignphrase, function, glossterm, guibutton, guiicon, guilabel, guimenu, guimenuitem, guisubmenu, hardware, html:button, html:fieldset, html:input, html:label, html:select, html:textarea, indexterm (db.indexterm.endofrange), indexterm (db.indexterm.singular), indexterm (db.indexterm.startofrange), initializer, inlineequation, inlinemediaobject, interfacename, keycap, keycode, keycombo, keysym, link, literal, markup, menuchoice, methodname, modifier, mousebutton, nonterminal, olink, ooclass, ooexception, oointerface, option, optional, orgname, package, parameter, personname, phrase (db.phrase), productname, productnumber, prompt, property, quote, remark, replaceable, returnvalue, shortcut, subscript, superscript, symbol, systemitem, tag, termdef, token, trademark, type, uri, userinput, varname, wordasword, xref.
<article xmlns='http://docbook.org/ns/docbook'> <title>Example firstterm</title> <para>In an <firstterm>Object Oriented</firstterm> programming language, data and procedures (called <glossterm>methods</glossterm>) are bound together. </para> </article>
In an Object Oriented programming language, data and procedures (called methods) are bound together.