Cut, Copy, Paste, and Clear work with text or time records.

Select All either selects all time records or selects all the text if you're working with text.

Unselect All unselects all time records.

Time Record… brings up the Edit Time Record window.

Charge… brings up the Edit Charge window.

Projects, Categories, and Clients… brings up the Edit Job window.

Preferences  displays the preferences sub-menu.  Select one of the items in the sub-menu to bring up that preference selection.