Technical
(package
, termdef
, …)
Error related
(errorcode
, errorname
, …)
Programming
(function
, varname
, …)
Products
(productname
, trademark
, …)
Operating system
(envar
, filename
, …)
Markup related
(tag
, token
, literal
, …)
Bibliographic
(citation
, author
, …)
Publishing related
(acronym
, footnote
, …)
Graphic
(inlinemediaobject
)
Keyboard related
(keycap
, shortcut
, …)
Indexing
(indexterm
)
GUI related
(guiicon
, guibutton
, …)
Links
(link
, xref
, olink
, anchor
)