In terms of meaning, Pac-Man is a character that eats everything in his path. However, his preference is to consume the evils of the world. For instance a firearm, or perhaps a nuclear missile. The primary motivation for Pac-Man is to eat "bad" things in order to make the world a better place. Also, when eats a power cookie, he can turn the table on the ghosts. However, Pac-Man doesn't go and consume the ghosts. He just bites them and tells them to go away. He doesn't kill them. Once bitten, the ghosts become eyes and flee back to their lair where they eventually regenerate as ghosts. So there is a concept of "Not doing harm to others."
