Most recently, UPN threw out its circle-triangle-square I.D. in favor of a 3-D circle and lowercase name. Then there’s ABC, which has incorporated a simple circular design for decades.

The square, triangle, and circle reflect the hierarchical structure and ranks of the workers in the environment where the game is played. These symbols are like Sony PlayStation control buttons ...

Squid Game creator has explained the meaning of the triangle, circle, and square shapes used in the show, ahead of Season 3's premiere.

If you enjoyed watching Squid Game season 2, here's what each of the symbols — square, circle, triangle— on the masks mean.

Square refers to a piece of paper; I had it represent menus or documents and made it pink. The circle and X represent ‘yes’ or ‘no’ decision-making and I made them red and blue respectively.

Square refers to a piece of paper; I had it represent menus or documents and made it pink. The circle and X represent ‘yes’ or ‘no’ decision-making and I made them red and blue respectively.