Courses are academic classes taught by qualified instructors that are intended to enhance participant’s knowledge of a given area or training in a particular discipline. Courses vary broadly in terms of length, size, content and duration.

在线或远程学习是指在教育中使用电子媒体和信息通信技术 (ICT)。通过在线学习，人们可以随时随地通过可用的互联网连接接受教育。