The document defines and provides examples of common digital media terms: 1) E-mail is a system for sending and receiving electronic messages over a computer network. Common email sites include Yahoo, AOL, Gmail, and Hotmail. 2) A blog is an online personal journal where writers can post reflections, comments and links. 3) A wiki is a website that allows users to add and update content using their web browser through collaborative contributions. Wikipedia is a well-known example.