The term "core gameplay" refers to the fundamental mechanics and actions that make up a video game. It is the main part of the game, which involves playing through levels or missions, completing objectives, and engaging in combat or other challenges. The core gameplay is what defines the game's genre and provides players with an enjoyable experience by offering a mix of challenge, strategy, and skill-based action. It is the central aspect of any video game that keeps players engaged and motivated to continue playing.