An electronic device comprising: a touch screen display; and at least one processor operatively coupled to the touch screen display, configured to: detect an input on the touch screen display; identify an input range based on a location of the input; detect a first path associated with additional input that is performed at least partially in the input range and display an indication of the first path on the touch screen display; compare the first path to a second path; and perform a function in response to detecting that the first path matches the second path.