A method of managing a casual storage field comprises the steps of: receiving a plurality of information elements from one or more application programs, each information element including one or more data items; retaining the received information elements in the casual storage field; displaying a state of the casual storage field and the retained information elements; and handing over, in response to a user request, one or more of the retained information elements to an application program. The casual storage field can receive an information element from another application program, display the received information element in the display region of the casual storage field, and hand over in response to a user instruction, the information element to yet another application program.