Help me understand the functionalities of a Token Contract

Hi there, I'm a Solidity learner.
I've a Token Address (https://bscscan.com/address/0x609b88f5a4abb7a55ba0c6d255c3f1b1bc7a4d76).
You need to help me understand how their functionalities of taxes are working.

PLEASE DONT SPAM, BID ONLY IF YOU CAN HELP ME FRANKLY