I think it is because you need them to separate
The answer would be simile because the phrase "She was sleeping like a log" is comparing two things using like or as.
Answer:
Email is short for electronic mail
Explanation:
Email refers to a message sent from one computer to another. The computers may be in the same building and linked via a local network, or they may be some distance apart and connected via the Internet and various telephone and communication systems. Email Application.