Meaning: The cloud moved slowly and calmly through the sky.
Choice of Words: Floated: Moved smoothly and effortlessly through the air or water.
Alternative Expressions
A fluffy white thing moved slowly through the blue area above the earth.
Meaning: This means the same thing as the first sentence. It is just a different way of saying it.
Choice of Words:A fluffy white thing is another way to describe a cloud. Moved is another word for floated. Slowly means the same thing as lazily. Through means the same thing as across. The blue area above the earth is another way to describe the sky.
The cloud drifted gently over the heavens.
Meaning: This means the same thing as the first two sentences. It is just a different way of saying it.
Choice of Words:Drifted is another word for floated. Gently means the same thing as lazily. Heavens is another word for sky.