What is the IEEE 802.3 standard related to?

IEEE 802

802.3, or IEEE 802.3, is a working group of standard specifications for Ethernet , a method of packet-based physical communication in a local area network maintained by the Institute of Electrical and Electronics Engineers (IEEE).

Often the central source for standardization in a broad range of emerging technologies, the IEEE Standards Association has an active portfolio of nearly 1,076 standards and more than 984 projects under development.