In the board game Dixit, what are players placing face-down on the table as clues?

Illustrated cards

What Pixar movie follows two robots named WALL-E and EVE? Kit Harington stars as Milo in what disaster film about the eruption of Mount Vesuvius? Who wrote and performed the original song "Wonderful Christmastime"? Who was the first wide receiver to win Super Bowl MVP? Who was nicknamed 'The Nigerian Nightmare'?