A method of competency acquisition which employs print, radio, television, computer-based communications, satellite broadcasting, teleconferencing or other educational technologies which allows students to study on their own without having to regularly attend classes in conventional classrooms, or education imparted at a distance through communication media: radio, TV, telephone, correspondence, computer or video.
Source: TESDA 2010, Philippines

Distance Learning: The learner has been matched with a teacher, tutor, or volunteer with whom he/she has regular interaction with regard to the content of the distance learning curriculum, and who provides support throughout the distance learning experience. Distance learning is characterized by all of the following:

* A separation of place and/or time between the learner(s) and the instructor.
* The use of standardized curriculum.
* The delivery of education or training that employs technology in at least one of the following four categories:
* Computer Technology, such as the Internet or CD-ROM.
* Video Technology, such as videoconferencing, cable, satellite linkage, and videotapes.
* Audio graphic Technology, such as radio and audiotapes.
* Telephone Technology, such as teleconferencing.
* Support by a tutor, including help with content and assistance with technology, on line, on the telephone, or in person.

Source: DOE Virginia 2014, Virginia (USA)

Education and training imparted at a distance through communication media: books, radio, TV, telephone, correspondence, computer or video
Source: EU commission (NRDC) 2011, Europe

Also known as e-learning or online learning, it is a form of education in which teachers and students are physically separated. Various technologies such as Skype allow for teachers and students to interact and communicate. Traditional distance learning focused on individuals in remote areas and it used to be via mail.
Source: OECD (Trends education) 2016