Meaning: This sentence describes the appearance and behavior of clouds in the sky.
Choice of Words: "Clouds" are visible masses of water droplets or ice crystals suspended in the atmosphere. "Float" means to move or rest on the surface of a liquid or in the air without sinking. "White" describes a color that is the lightest shade of gray. "In" indicates a location or position within something, in this case, the air. "Air" refers to the mixture of gases that surrounds the Earth.