Clouds dance in moonlit sky.

Meaning: The clouds are moving and changing shapes in the sky that is lit by the moon.

Choice of Words: Clouds are the visible collection of water droplets or ice crystals suspended in the atmosphere. Dance means to move rhythmically to music or beat. Moonlit means illuminated by the light of the moon. Sky is the upper limit of the atmosphere. So the sentence means the clouds move rhythmically in the sky illuminated by the moon.

Alternative Expressions

Clouds dance in the moonlit sky.

Meaning: This sentence means that the clouds are moving in a beautiful way in the sky that is lit by the moon.

Choice of Words: Clouds: These are the white or gray puffy things we see in the sky. They are made of tiny water droplets or ice crystals.
Moonlit: This means the light from the moon is shining on the sky.
Dance: This is a way of moving that is usually done to music. But here, it's used to describe how the clouds are moving in the sky.

Fluffy clouds float in the night sky.

Meaning: This sentence means that the clouds are soft and light, and they are moving slowly in the dark sky at night.

Choice of Words: Fluffy: This means soft and light like cotton.
Float: This means to move smoothly in the air or water.
Night sky: This is the sky we see at night when it's dark.

White clouds drift across the starry sky.

Meaning: This sentence means that the white clouds are moving slowly and smoothly across the sky at night, and we can see the stars behind them.

Choice of Words: White: This is the color of the clouds.
Drift: This means to move slowly and smoothly in the air or water.
Starry sky: This is the sky at night when we can see the stars.

Related Expressions