The term PAC-MAN NAVIGATES THROUGH ONE can be summarized by saying that the classic video game character Pac-Man navigates through a MAZE. The crossword solution for this term is MAZE, which is a four letter word. MAZE is a type of puzzle where the player must find their way from the start to the end while avoiding obstacles. Pac-Man is a popular arcade game released in 1980 where the player controls the titular character as he navigates through a MAZE while eating dots and avoiding ghosts.