String, composite, currency, integer, long integer, date, time, text, list box, drop-down list, multi-select list, combo box

The text that’s linked to the field.

Check box

The text that’s linked to the check box group. If the check box does not appear in a check box group, or if there’s no caption for the check box group, the caption is the text for the individual check box.

Push button, button drop list, visual switch

The text appearing on the button face or switch. The Caption property has no effect on a button or visual switch with a picture.

Radio button

The text that’s linked to the radio button group. If there’s no caption for the radio button group, the caption is the prompt for the individual radio button.