What Does Activity Stream Mean?
An activity stream is a specific type of digital interface component that shows a list of recent activities. With the development of social media, the activity stream has become a common way to present this type of aggregated information to users.
Techopedia Explains Activity Stream
The best example of an activity stream is a Facebook feed. In fact, the social media giant was instrumental in making the activity stream a universal component of the Web. In a Facebook feed or other activity stream, the user gets a compiled list, usually on a single scrolling page, of different activities performed by other users or generated by other parties.