Meaning: This means the clouds are moving slowly and calmly across the sky.
Choice of Words: Clouds are white, fluffy things in the sky. They move slowly and seem to float through the air.
Meaning: This means that the clouds are floating gently and softly in the sky, like soft pillows moving slowly.
Choice of Words: Fluffy means soft and light, like a cotton ball. Float means to move gently in the air or water. Softly means gently and quietly.
Meaning: This means that the clouds are moving smoothly and peacefully through the sky, like a sailboat gliding through the water.
Choice of Words: Sail means to move smoothly through the water or air. Calmly means to be peaceful and quiet.