§ one trainer or instructor, or
§ one mediator or coach, or
§ another person.
The Leader led eLearning is of two types:
3.1.) Working synchronously. The synchronic, real time work of the learner and of the trainer,
3.2.) Working asynchronously. The learner receives materials, off-time, but has the possibility to ask questions for which, normally, the answer arrives after a while.