- alt
Alternate text is a textual description of an       image. Systems often render the alternate text when the reader is       using assistive technology or the image cannot be     rendered.
 - cite
A citation is the name or the title of a     bibliographic resource, for example, a document, online article, or     instructional video.
 - dd
The definition     description is the definition for an item in a     definition list entry. 
 - ddhd
A definition heading is an optional heading or title for descriptions or definitions in a     definition list.
 - desc
A description is a     statement that describes or contains additional information about an     object.
 - div
A division is a grouping     of contiguous content within a topic. There is     no additional semantic meaning.
 - dl
A definition list is a     list of items and their     corresponding definitions.
 - dlentry
A definition list entry     is a group within a definition list. It contains an       item and its definitions.
 - dlhead
A definition list heading is a group that contains a heading for       items and a heading for definitions within     the list.
 - draft-comment
A draft comment is content that is intended for review and discussion, such as questions,     comments, and notes to reviewers. This content is not intended to be included in production     output.
 - dt
A definition term is the       item that is defined in a definition list     entry.
 - dthd
A definition term heading is an optional heading or title for       the items in a definition list.
 - example
An example illustrates     the subject of the topic or a portion of the topic.
 - fallback
Fallback content is       content to be presented when multimedia objects or         included content cannot be rendered.
 - fig
A figure is a container     for a variety of objects, including artwork, images, code samples,     equations, and tables.
 - figgroup
A figure group is a grouping of segments within a     figure.
 - fn
A footnote is ancillary     information that typically is rendered in the footer of a page or at     the end of an online article. Such content is usually inappropriate for     inline inclusion.
 - image
An image is a reference     to artwork that is stored outside of the content. 
 - include
Included content is a reference to non-DITA content outside the current document that         will be rendered at the location of the reference. The resource is specified using either a         URI or a key reference. Processing expectations for the referenced data can also be         specified.
 - keyword
A keyword is text or a token that has a unique value, such as     a product name or unit of reusable text.
 - li
A list item is an item     in either an ordered or unordered list.
 - lines
Lines are lines of text where white space is significant. The             <lines> element can be used to represent dialogs, poetry, or         other text fragments where line breaks are significant.
 - longdescref
A long       description reference is a reference to a textual description of a       graphic or object. This is typically used to provide an extended       description when the graphic or object is too complicated to describe       with alternate text.
 - lq
 A long quotation is a quotation that contains one or more paragraphs. The title and     source of the document that is being quoted can be specified.
 - note
A note is information     that expands on or calls attention to a particular point.
 - object
The DITA <object> element corresponds to     the HTML <object> element, and the attribute     semantics derive from the HTML definitions. Because of this, the       @type attribute on <object>     differs from the @type attribute on many other DITA     elements.
 - ol
An ordered list is a     list of items that are sorted by sequence or order of     importance.
 - p
A     paragraph is a group of related sentences that support a central     idea.
 - param
The <param> (parameter) element     specifies a set of values that might be required by an       <object> at runtime.
 - ph
A phrase is a small     group of words that stand together as a unit, typically forming a     component of a clause.
 - pre
Preformatted text is     text that contains line breaks and spaces that are intended to be     preserved at publication time.
 - q
A quotation is a small group of words that is taken from a text or speech and repeated by       someone other than the original author or speaker.
 - section
A section is an     organizational division in a topic. Sections are used to organize     subsets of information that are directly related to the     topic.
 - sl
A simple list is a list that contains a few items of short, phrase-like     content.
 - sli
A simple list item is a component of a simple list. A simple     list item contains a brief phrase or text content, adequate for     describing package contents, for example. 
 - term
A term is a word or phrase that has specific     meanings in certain contexts. It might have or require extended     definitions or explanations.
 - text
The <text> element is a container for     text. It does not have any associated semantics.
 - tm
A trademark is a term or phrase that is trademarked. Trademarks include registered     trademarks, service marks, slogans, and logos.
 - ul
An unordered list is a     list in which the order of items is not significant. 
 - xref
A cross reference is     an inline link. A cross reference can link to a different location     within the current topic, another topic, a specific location in another     topic, or an external resource such as a PDF or web page.