Delivery of educational content via a Web browser over the internet or intranet. It provides links to learning resources outside of the course, such as references, email, bulletin boards, and discussion groups.

Any training delivered over the internet, including websites, email, extranets, etc.

Training delivered primarily by TCP/IP network technologies such as e-mail, newsgroups, proprietary applications, and so forth. Although the term is often used synonymously with web-based training, internet-based training is not necessarily delivered over the World Wide Web, and may not use the HTTP and HTML technologies that make web-based training possible.

The term most commonly used in the mid 1990's to describe web-based learning programs. Unless you're being intentionally retro as a fashion statement, "e-learning" is the hip term today.

Training delivered primarily by Internet network technologies such as email, newsgroups, proprietary applications, etc. Although the term is often used synonymously with Web-based training, IBT is not necessarily delivered over the World Wide Web.