Meaning of folk

(noun) people in general (often used in the plural); "they're just country folk"; "folks around here drink moonshine"; "the common people determine the group character and preserve its customs from one generation to the next"

a social division of (usually preliterate) people

people descended from a common ancestor; "his family has lived in Massachusetts since the Mayflower"

the traditional and typically anonymous music that is an expression of the life of people in a community