*Frame start and stop indicator flags: Used by the MAC sublayer
*Addressing: Used by the MAC sublayer to identify the source and destination nodes.
*Type: Used by the LLC to identify the Layer 3 protocol.
*Control: Identifies special flow control services.
*Data: Contains the frame payload (i.e., packet header, segment header, and the data).
*Error Detection: Included after the data to form the trailer, these frame fields are used for error detection.