The document discusses various elements of gameplay used in game design, including interaction models, navigation, story structures, multiplayer options, use of time as a game mechanic, environmental settings, and eliciting emotions in players. It provides examples and descriptions for each element to illustrate how they are implemented in different game genres. The key elements covered are interaction models like avatar-based and party-based systems, nonlinear narrative forms, multiplayer formats, ways time can be represented in games, considerations for cultural and physical environments, and techniques for engaging players emotionally.