Portable telephone having hierarchically structured menus of executing functions

摘要

A portable telephone that executes a desired function with simple operations. The portable telephone that executes various functions selected from hierarchically structured menus is provided with dedicated execution keys 9 for instructing execution of functions, a function assigning device for assigning a desired function to an execution key 9, and a function executing device for executing a function assigned to an execution key 9 in response to a pressing of the execution key 9.