The Delay box allows you to enter an arbitrary time delay, in seconds, between the time that you press the Grab button and the time that the snapshot is taken.
When a delay time has been set, you do not have to click the mouse button to capture a screenshot. This enables you to open a drop down menu, and take a picture of it.
There are two further buttons located at the bottom of the KSnapshot window. There function is described below.
Activates the online manual for KSnapshot.
Closes the KSnapshot application.