What means tic tac toe

Question

tic tac

Answer 1

https://en.m.wikipedia.org/wiki/Tic-tac-toe

Answer 2

Tic-tac-toe (also known as noughts and crosses or Xs and Os) is a paper-and-pencil game for two players, X and O, who take turns marking the spaces in a 3×3 grid. The player who succeeds in placing three of their marks in a horizontal, vertical, or diagonal row wins the game. ... It can also be generalized as a nd game.