5 ਤਾਰਿਆਂ ਵਿੱਚ 3 ਮਿਲੇ

ਵੱਲੋਂ jagman ਜਨ 30, 2016 ਤੇ · ਪਰਮਾਲਿੰਕ

Firefox calls the browser a WINDOW I think, and the URL box a TAB.
But this add-on uses the words: Window and SESSION, BUT, which is which?
I don't know if I need to save a WINDOW or SESSION or what will be lost and what is saved.