Online learning is e-learning with a mandatory involvement of a digital network which a learner needs in order to access at least part of the learning materials and services. Online learning refers to network enabled teaching and learning that allows the learner to have increased interaction with content, teacher and other learners.
Source: COL 2015, Global
(https://unevoc.unesco.org/home/TVETipedia+Glossary/filt=all/id=309)