You can apply item, body, text and section tagsTags.tex using the popup lists on the Tag toolbarTag_toolbar.tex, the Function keyFunction_keys.tex assignments or the Apply command. The Apply Tag dialog box also shows the function key assignments for the tags in the list.
If you make a selection before you choose a tag, the tag is applied to the selection. If you don't make a selection before you choose a tag, the tag is applied to the next text or mathematics you enter.