What is Battle mode for ? in pubg lite menu ??

Can i ask something what is difference between on and off in battle mode ? in pubg lite menu ?

battle mode f1 mean when u join free for all then u press f1 u do not see items gun on this free for all matches and 4v4 | this options made by cause do not disturb on game 4v4 map items or free for all items dose not show on ur face and u do not disturb on game and play like smooth