The dialog shows in alphabetical order the currently defined keywords that are available for completion. The following buttons are available:

Ok
Saves all changes and closes the dialog.
Edit
Pops up a dialog that allows the editing of the currently highlighted keyword.
New
Pops up a dialog that allows the entry of a new keyword which will be added to the list.
Delete
Deletes the currently highlighted keyword from the list.
Cancel
Discards all changes and closes the dialog.

All keywords are saved and are available the next time the IDE is started. Duplicate names are not allowed. If an attempt is made to add a duplicate name to the list, an error will follow.