A screencast is a digital recording of a computer screen that can include mouse actions, browser changes, video, and audio narration. Screencasts can be used to save time repeating instructions, provide tech support 24/7, and allow students to learn at their own pace by rewatching lessons. They also support flipped classroom models where students watch lectures at home and practice in class, engage online learners, and allow teachers to provide feedback and parents to follow student progress.