Answer:
<u>Winston's Perception</u>
Winston was against the system imposed by 'big brother'. He was not in favor of the Party watching and controlling the citizens' every move, action and speech. This was why he joined the secret group known as the Brotherhood to get rid of the Party.
<u>Winston's Purpose of Torture</u>
O'Brien tortures Winston on the premise that he needs to accept the Party's ways of controlling historical records and people's memories. The torture is meant to treat Winston's criminal behavior.
<u>O'Brein's Existence and Winstons</u>
Winston's character existed to represent the everyday man in the totalitarian society depicted by the author. The character of O'Brien was created as a representation of those who choose to adopt the government's ways without questioning it.
<u>O'Brein's and Winstons power</u>
O'Brien believed in a definition of power where the human mind could be torn to pieces and then reassembled in accordance of your own will. Winston, on the other hand, does not agree with this and tries to do everything in his power to oppose and resist.
inflicting pain and humiliation, in tearing human minds to pieces (putting them back together in your own way
Hope that answers the question, have a great day!