Tool tips are information text boxes that are displayed when the mouse hovers over some part of the user interface. The text boxes have a yellow background.
Every field has a tool tip. The purpose, range of values, and units of a field are displayed. You must select a form by clicking on it 1) then hover over the label for the field. The labels and not the data entry areas have tool tips. If the field is in a table then the row labels and column labels will have tool tips.
Every menu item has a tool tip. A description of the action of each menu item is displayed.
The status area at the bottom of the main window has tool tips.