A recording available online that shows a computer screen with some sort of onscreen activity, usually with a voiceover.

Where the trainer or teacher is present at the same time as the learner(s). This is almost always the case in a face-to-face environment but can also take place online through the use of video conferencing and live chat or instant messaging. As with the face-to-face environment, the learners in synchronous online learning can ask questions in real time.