Homonym: Check-in (Registration)
Check-in is a process used in various contexts, such as travel, events, and online platforms, to confirm a person's arrival or participation. In the travel industry, it typically involves registering at an airport or hotel, where travelers provide their identification and receive boarding passes or room keys.
In digital contexts, check-in can refer to updating one's status on social media or confirming attendance at an event. This allows friends or organizers to know who is present and helps manage logistics. Check-ins can also enhance user engagement and foster community connections.