Question

What is ripping a file? And what is burning a file?

Answer 1

Ripping is to take
Burning is to put.

You rip a cd to a PC but you burn it onto a disc.

Answer 2

Ripping means copying content (usually audio, video or music) from a CD/DVD/BluRay or the internet, typically by extracting the raw data and changing the file format in the process.

Burning is writing the content on a disk. The opposite of ripping a disk.