Culture is a difficult thing to strictly define. Such a large variety of societal aspects fall under its realm, that it's sometimes complicated to draw a line between what is part of a culture and what is not. To put it in extremely vague terms, culture is a way of life. All the traits that make up a particular society, from religious beliefs to modes of dress to art to methods of farming, build up a culture. Culture includes the good and the bad, the old and the new, the strong and the weak - essentially it includes "everything".
…