PC Communication is a term used to describe the various ways in which computers can communicate with each other. The most common form of PC communication is email, which is a five-letter word. Email is an electronic messaging system that allows users to send and receive messages over the internet. It is a convenient way to communicate with others quickly and easily. Email is also used for business purposes, such as sending invoices, contracts, and other documents. Additionally, email can be used to share photos, videos, and other files.