Question

what is the mean of online and offline​

Answer 1

Being online means that the equipment or subsystem is connected, or that it is ready for use. "Online" has come to describe activities performed on and data available on the Internet, for example: "online identity", "online predator", "online gambling", "online shopping", "online banking", and "online learning".

When a computer or other device is not turned on or connected to other devices, it is said to be "offline." This is the opposite of being "online," when a device can readily communicate with other devices. ... When you disconnect from your ISP or pull out the Ethernet cable from your computer, your computer is offline.

Answer 2

Answer:

when you're active by the support of network

and offline means when you are not active