eLessons have to [1.]:
eLessons have to [1.]:
include the right skills for the respective job, and at a level which should allow immediate employment in the respective job,
be at the necessary level, so that the knowledge transfer should not be disrupted, as a consequence of the too high level,
avoid the situation in which the learner left the training before the ending of the courses.
The flux of the elaboration of eLearning products is the following (some aspects after the ideas from [1]):