Being polite and having well bred social manners is regarded as good manners. Good manners are so important for the working of one’s life and for the society as a whole. A person with good manners is looked up to and respected. Treating people with courtesy, having high emotional intell also are added to good manners.
Some basic good manners are like, saying please, sorry and excuse me, letting people finish their talk before you speak, showing respect for others and elders and lots more. Having good manners goes a long way and never goes to waste.