b. Reality and assumptions of e-learning: The tools that make up this education strategy are, on the one hand, storage utilities to learn on the Internet for the presentation of content (texts, animations, graphics, videos) and on the other, tools of synchronous communication (exchange of information over the internet in real time) or asynchronous (exchange of information over the internet in a non-simultaneous way) between students or between students and course tutors (email, chat, forums, blogs, wikis).