If we look specifically at OpenLearn free courses, the content comprises both the course (structured self-study resources) as well as the individual assets that make up a course.
The assets of a course are the materials such as text, images, animations, audio clips, etc., which are likely to be in different digital formats. In some cases a course will consist of just one asset, but most contain a variety.
As the number of OpenLearn free courses grows, so does the variety available. However, the main types of courses that you will encounter are:
OpenLearn - Creating open educational resources
Except for third party materials and otherwise, this content is made available under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Licence, full copyright detail can be found in the acknowledgements section. Please see full copyright statement for details.