Players place hexagonal tiles to form a playing area.
Presumably, the individual tiles formed square or rectangular shapes when properly placed together.
The 28 tiles are shuffled face down and form the stock or boneyard.
The interior tiles formed a garden scene, attractive even beneath a mask of grime.
So long as the remaining tiles form a valid run, tiles can be removed from the ends of runs.
Overall, then, the flat tiles would form a curved surface.
You can always use tiles form the back of the house to replace any at the front where appearance is most important!
The tiny tiles formed a whirlpool, or maybe a spiral nebula in deep space.
Lastly, some games use graphical tiles to form a board layout, on which other elements of the game are played.
The colored tiles, Chet added, formed a curious design resembling a dragon.