Understood from a Western perspective as having the same connotation as the term Double Speak in George Orwell's novel 1984, which was written as a criticism of Communism at a time when Western powers were still allied with the USSR.
This western application of the term is often misused by uneducated morons in America to justify their refusal (or inability) to learn basic concepts, correct terminology, accepted behavior or even rudimentary spelling and grammar.
During World War I, referring to German measles as Liberty Measles was considered politically correct.
Prior to the Invasion of Iraq, it was considered politically correct to assume that the President wasn't a complete idiot.
Its not politically correct to mention slavery because the existence of such history is not just historical circumstances involving ancestors no modern person met -- under PC philosophy reminder of such history is a violent personal confrontation about implied inherent shortcomings in descendants of slavery and people of the same color or nationality as past slavery owners have lost all right to discuss the issue due to their inherited guilt ...even though they may not even have had ancestors holding pro-slavery opinions let alone had direct ancestral indoctrination.
Its not politically correct to say a crowd of Jews asked the Romans to crucify Jesus for false claims of being the Messiah -- because if true somehow all modern Jews are guilty of the "crimes" of theirs ancestors (really weird when there is only a 0.0001% chance their ancestors might have even been there). Opinions and self-interests of Jews are not allowed to change over 2000 tears - therefore based on a survey of modern Jews this could never have happened.
Bob: No way, he can't say that!
Tom: Why not? Stop spreading your politically correct garbage here.
Bob: It ain't nothing to do with political correctness. He has a responsibility to the state and people to make a good example and good policies. This statement shows he has little respect for women as people and it effects how he handles his role as a minister. It also sends the wrong message to the people.
Shintaro Ishihara claims foreigners would riot in the event of an earthquake requiring not the police but the self defense force.
Bob: No way!
Tom: Well someone had to come out and say the truth. All you political correct guys are pussies! Foreigners come here with their stinking culture and create crime.
Bob: It has nothing to do with political correctness. It is both wrong, as foreigner in Japan have lower crime rates, and harmful, as it incites irrational xenophobic fear.
In France a local soup kitchen for the homeless only has pork dishes, while having many Muslim patrons.
Bob: Man that sucks they should try some non-pork dishes too so that Muslims can also eat (Muslims can't eat pork on religous grounds).
Tom: Damn pussy! Stop trying to be a politically correct idiot.
Bob: What! It has nothing to do with politcal correctness. I simply want the soup kitchen to help as many people as possible. If non-pork dishes help in that sense they should do that. Particularly if it is supported by...
2. Intentionally limiting what could be freely stated to prevent sociopolitical accusations of bigotry.
3. An attempt to justify limitations on free speech by citing perceived offenses to others sensibilities, even if the "others" are not the people the comment was directed at.
4. Taking a position which is politically beneficial in the short term or to prevent accusations of misconduct.
"We are not using the term queer or faggot to describe homosexuals anymore. They find it offensive and we need to be PC."