"Activity history" refers to a record or log of the actions, tasks, or events that have occurred in the past. It is a summary of what has been done, accomplished, or experienced over a certain period of time. Full definition
There are new options for controlling how this feature works under Settings > Privacy > Activity History. (howtogeek.com)
Some locks also include activity history, letting you know when doors are locked and unlocked and by which access codes. (cnet.com)
IP access lists are also available in the security settings tab, showing activity history and allowing to configure black and white lists. (bitcointradingsites.net)