This document discusses distance education and defines key terms. It provides two definitions of distance education, describing it as a type of education where students learn at home using communication technologies, as well as a field focused on teaching methods that deliver instruction to students not physically present in a traditional classroom setting. The document also contrasts distance education with distance learning and discusses the history of the field, highlighting old technologies like correspondence, radio, and television as well as modern technologies like videoconferencing, web conferencing, and mobile learning.