( Deprecated ) - The <boolean> element is used to express one of two opposite values, such as yes or no, on or off, true or false, high or low, and so forth. »

The <cite> element is used when you need a bibliographic citation that refers to a book or article. »

The <data> element represents a property within a DITA topic or map. »

The <data-about> element identifies the subject of a property when the subject isn't associated with the context in which the property is specified. »

The definition description (<dd>) element contains the description of a term in a definition list entry.

The definition descriptions heading (<ddhd>) element contains an optional heading or title for a column of descriptions or definitions in a definition list

The <desc> element contains the description of the current element. »

A definition list (<dl>) is a list of terms and corresponding definitions. »

In a definition list, each list item is defined by the definition list entry (<dlentry>) element. »

The <dlhead> element contains optional headings for the term and description columns in a definition list. »

The <draft-comment> element allows simple review and discussion of topic contents within the marked-up content. »

The definition term <dt> element contains a term in a definition list entry.

The definition term heading (<dthd>) element is contained in a definition list head (<dlhead>) and provides an optional heading for the column of terms in a description list.

The figure (<fig>) element is a display context (sometimes called an exhibit) with an optional title for a wide variety of content. »

The <figgroup> element is used only for specialization at this time. »

Use footnote (<fn>) to annotate text with notes that are not appropriate for inclusion in line or to indicate the source for facts or other material used in the text.

The <foreign> element is an open extension that allows information architects to incorporate existing standard vocabularies for non-textual content. like MathML and SVG, as inline objects. »

Include artwork or images in a DITA topic by using the <image> element. »

The <index-base> element allows indexing extensions to be added by specializing off this element. »

An <indexterm> is an index entry. »

An <indextermref> is a reference to an index entry in a lookup table used by the indexing process. »

The <itemgroup> element is reserved for specialization of DITA. »

The <keyword> element identifies a keyword or token, such as a single value from an enumerated list, the name of a command or parameter, or a lookup key for a message (contrast with term).

A list (<li>) item is a single item in an ordered <ol> or unordered <ul> list. »

The <lines> element may be used to represent dialogs, lists, text fragments, and so forth. »

TThe long quote (<lq>) element indicates content quoted from another source. »

A <note> element contains information, differentiated from the main text, which expands on or calls attention to a particular point.

DITA's <object> element corresponds to the HTML <object> element. »

An ordered list (<ol>) is a list of items sorted by sequence or order of importance.

A paragraph element (<p>) is a block of text containing a single main idea.

The parameter (<param>)element specifies a set of values that may be required by an <object> at runtime. »

The phrase (<ph>) element is used to organize content for reuse or conditional processing (for example, when part of a paragraph applies to a particular audience). »

The preformatted element (<pre>) preserves line breaks and spaces entered manually by the author in the content of the element, and also presents the content in a monospaced type font (depending on your output formatting processor).

A quotation element (<q>) indicates content quoted from another source. »

A <required-cleanup> element is used as a placeholder for migrated elements that cannot be appropriately tagged without manual intervention. »

The <simpletable> element is used for tables that are regular in structure and do not need a caption. »

The <sl> element contains a simple list of items of short, phrase-like content, such as in documenting the materials in a kit or package.

A simple list item (<sli>) is a single item in a simple list<sl>. »

The <state> element specifies a name/value pair whenever it is necessary to represent a named state that has a variable value. »

The simpletable entry (<stentry>) element represents a single table cell, like <entry> in <table>. »

The simpletable header (<sthead>) element contains the table's header row. »

The <simpletable> row (<strow>) element specifies a row in a simple table, like row in a conventional table.

The <term> element identifies words that represent extended definitions or explanations. »

The <title> element contains a heading or label for the main parts of a document such as <topic>, <section>, and <example> and for the display elements such as figure (<fig>) and <table>.

The trademark (<tm>) element in DITA is used to markup and identify a term or phrase that is trademarked. »

In an unordered list (<ul>), the order of the list items is not significant. »

The <unknown> element is an open extension that allows information architects to incorporate xml fragments that does not necessarily fit into an exisitng DITA use case. »

Use the cross-reference (<xref>) element to link to a different location within the current topic, or a different topic within the same help system or DITA document. »

var & keyword defined by syntax diagram

Inline content (prhases)

Display attributes is a parameter entity declaration in the topic DTD that includes attributes whose values may be used for affecting the display of a topic or its selection by search tools.

Debugging attributes, normally hidden from authoring view.

ID attributes (%id-atts;) is a parameter entity declaration in the topic DTD that includes attributes that enable the naming and referencing of elements in a DITA topic: id and conref.

Attributes that support both filtering and flagging include platform, product, audience, and otherprops. »

Universal attributes is a parameter entity declaration in the topic DTD that includes all of the attributes in the select-atts and id-atts attribute groups.

The class attribute supports specialization.