Meaning to ←[2K in output lines?

[Patch4747]

After using the stream command, each output line of text is appended with ←[2K. I'm wondering what it means, if anything?

whisper.cpp/examples/stream/stream.cpp

Line 345 in 6559b53

printf("\33[2K\r");

[tamo]

https://stackoverflow.com/questions/1508490/erase-the-current-printed-console-line

maybe you can use a vt100 compatible terminal