The term "logged" can have several meanings depending on its context.
1) In a general sense, it could refer to keeping records or maintaining a written account of something. For example, one might say that they logged their daily activities in a journal.
2) It can also be used as a verb meaning to record data or information electronically, such as when someone logs into an online system or logs sensor readings from a device.
3) In the field of computer science and engineering, "logged" is often used to describe the process of storing events in chronological order for later analysis - this can be referred to as logging data.
4) Finally, when referring to machinery or equipment, being logged means that it's operating correctly and within its specified parameters. For example, a machine operator might say "The machine is logged" if everything appears normal on the control panel.