In the Navigation Pane, click Lexicon, and then click Lexicon Edit.
In the Entries column, click the desired entry.
In the Entry pane, if you cannot see the Academic Domains field, show hidden fields.
In the applicable sense, click the Academic Domains field, and then click the ellipsis button that appears.
The Choose Academic Domains dialog box appears.
Do any of these steps:
The Academic Domains list is hierarchical, so you may need to expand the list to find subdomains in the dialog box.
In "chooser" dialog boxes with check boxes, like this one, you can put the focus on an item with the arrow keys, and the press SPACEBAR to select or clear
the check box.