Russia's actions are an invasion, and they have started a war. By forbidding the use of that language the UN is not being impartial. It means they're explicitly

Russia's actions are an invasion, and they have started a war. By forbidding the use of that language the UN is not being impartial. It means they're explicitly requiring people to communicate about Russia's invasion in a way that supports Russia's claims that they aren't invading. But this is the same UN that has multiple countries where women have minimal rights on it's council for women's rights, has countries that punish being non-straight with death on their human rights councils, etc