1. A portion of the Web servicesarchitecture for defining and describing variousWeb services. 2. The architectural protocol layers of a Bluetoothwirelesscommunicationsystem, comprising the {Host Control Interface} (HCI), {Logical Link Control and Adaptation Protocol} (L2CAP), {Rs232 serial Cable Emulation Profile} (RFCOMM), service Discovery Protocol (sDP), and {Object Exchange} (OBEX). (2002-06-28)