From the Monash University Centre for Learning and Teaching Support homepages about distance education: "In the Australian context, open learning refers to a form of distance education which involves no pre-requisite studies or enrolment quotas and which encourages single subject enrolment as an alternative to enrolment for a complete award."
Learning organised to enable learning at own pace and at time and at time and place of choice. Usually associated with delivery without a tutor being present and may or may not be part of a formal programme of study. May also imply no entry barriers, for example, no prior qualifications. See also Flexible learning
Learning environment that has no formal requirements for admission. See also flexible learning