The term "time recorder" refers to a device or tool used to record the start and end time of an employee's work shift. There are different names for this tool based on its types and functions. One common synonym for time recorder is "time clock," which refers to a physical clock-in machine where employees insert their time cards. Another synonymous term is "time tracker," which also includes software and digital applications for recording employee hours. "Punch clock" is another old-fashioned term used to describe a mechanical timecard machine. Lastly, "attendance system" can also be used as a synonym for time recorder, which implies the system records not just time but also attendance and employee scheduling.