The document describes common offensive formations in football. It explains that an offense consists of 5 linemen, 1 quarterback, 1 running back, and 4 eligible receivers. It then defines several specific formations based on the positioning of eligible receivers and the running back, including "Doubles Right/Left" with 2 receivers on each side, "Spread Right/Left" with the running back off set to one side, and "Trio Right/Left" with 3 receivers on one side and 1 on the other. Additional variations include "Triple" formations and formations with receivers positioned "Over" the tight end.