Fax or data or types of

Fax and data are two different types of communication. Fax refers to a method of transmitting documents electronically over a telephone line, while data refers to information that can be transmitted electronically in various forms, such as text, images, or multimedia. Fax is a specific type of data transmission that is often used for sending official documents or paperwork. Other types of data transmission include email, instant messaging, and file sharing.