Meaning: This describes a scene where light rays moved around in a graceful and playful way, filling the room with a dynamic and vibrant atmosphere.
Choice of Words: "Beams" means rays of light, "danced" means moved gracefully and rhythmically, "across" means from one side to the other, and "room" is an enclosed space in a building. Together, they create a vivid image of light rays moving and playing across the room.