Repetition of colors because of the walls' yellow stripes
Repetition of shapes because of the stairs and the bricks.
Transition between spaces because of the archway.
Opposition between old and new because the room looks rather new, but the mosaic looks older.
Opposition of lines because the fireplace and the wood paneling on the wall are veritcal, but the mantel on the fireplace is horizontal.
Radiation of art because of the mirror decorations on the wall.
Radiation of furniture because the chairs radiate around the table.