The document summarizes the structure of the National Football League (NFL). It explains that the NFL has 2 conferences (AFC and NFC) with each having 4 divisions containing 4 teams each, for a total of 32 teams. It provides an overview of the divisions and teams that make up each conference. It also notes that each team plays the other teams in its division twice and 10 other games assigned by the NFL to make up the 16 game regular season schedule.