Within the general scope of ISO/IEC 9995-1, this part of ISO/IEC 9995 specifies the editing and function section and the division of that section into zones. It also specifies the cursor key zone (ZEF0) and the allocation of functions to its keys. Further, this part of lSO/IEC 9995 specifies the arrangement, the number, and the location of the keys in the editing and function zone (ZEF1), as well as guidelines for the allocation of functions to the keys.