Shows the network area simplified entity. NETWORK ELEMENT INCLUDES ROUTING DEVICE and NETWORK TOUCHPOINT and SWITCH. NETWORK TOUCHPOINT includes CE LL SITE and FIXED LINE PORT. SWITCH includes MOBILE SWITCHING CENTER. NETWORK ELEMENT belongs to IN PLATFORM. IN PLATFORM belongs to NETWORK. SWITCH connected to CIRCUIT COMPONENT. CIRCUIT COMPONENT owned by PARTY. PARTY includes EXTERNAL OPERATOR. EXTERNAL OPERATOR rented by CIRCUIT RENTAL. CIRCUIT COMPONENT traffic is CIRCUIT TRAFFIC. NETWORK TOUCHPOINT supports NETWORK SERVICE COVERAGE ASSIGNMENT. NETWORK SERVICE COVERAGE ASSIGNMENT supports SERVICE COVERAGE AREA.