Au: It means Azrou University (all the videos will be started with Au characters) ch/cs/sc/pm: Chanel / Computer Science / Science / Project Management (it indicates the subject matter of the video) nnnn: This is the order number (to start a lesson, follow this order from the first order number 0001) en/fr/ma: It means i18n (Internationalisation), English / French/ Moroccan dialect (lessons can have the same order number but presented in different languages)
