Okay so, i am writing an essay.
I wrote (for example) "The bird flew over the house into it's nest."
Teacher: Too simple

Then i wrote "The bird flapped it's wings as it gracefully traveled through the clouds, going against the wind as it glided. It passed over a luxurious house beneath it, and as it gently landed on top of it's nest, it's feet tightly gripped the materials, and stood firmly in their place."

Teacher: Too expanded