supplies [plural] : things (such as food, equipment, fuel, etc.) that are needed for a particular purpose and that will be used by a particular person or group. 1  They took a month's worth of supplies on the camping trip. 2  The town is in need of basic medical supplies. 3  a store that sells art/office/cleaning supplies.
The last and largest section covers end-user applications and application protocols, including general file transfer, electronic mail, Usenet, the World Wide Web, interactive protocols (such as Telnet) and administration utilities. 1  Name Systems and TCP/IP Name Registration and Name Resolution.
In the Open Systems Interconnection (OSI) communications model, the application layer provides services for an application program to ensure that effective communication with another application program in a network is possible. The application layer is not the application itself that is doing the communication.