Originally Posted by Isa

SATOR
AREPO
TENET
OPERA
ROTAS

This is 5x5, read it from top to bottom, bottom to top, left to right and right to left, tell me what you see

Edit: The last one was palindromic, this one isn't but it is much bigger but you can only read it top to bottom and left to right, also, since this forum won't let me do another one of those, I'll just post a picture of it in notepad.
12 x 12