1. A method of operating a computer system where a program displays data and a user interacts with the data through the use of a displayed cursor, the method comprising the steps of: displaying a visual depiction of an overlay having a plurality of delineated regions, each specifying an operation and referred to as a click-through tool; positioning the overlay relative to the displayed data so that a given click-though tool overlaps a desired particular portion of the displayed data; generating a particular event with the cursor positioned within the given click-through tool and at a location relative to the displayed data, which location specifies the desired particular portion of the displayed data; and in response to the particular event, performing the operation specified by the given click-through tool on the desired particular portion of the displayed data.