Chapters 4, 5 & 6 Outline (Review This For The Test!) Chapter 4 (Folk and Popular Culture) Key Issue 1: Where Are Folk and Popular Leisure Activities Distributed? Culture is defined as a collection of social customs; customs are repetitive acts of groups. Repetitive acts of individuals are called habits. Chapter 4 focuses on two facets of material culture: (1) culture deriving from the necessities of daily life such as food, clothing and shelter, and (2) leisure activities such as the arts and recreation.