The wind whispered secrets to the trees.

Meaning: This sentence is similar to the second one, but it changes the word "through" to "to". This means that the wind is not just passing through the trees, but it is actually speaking to them. It's like the wind is having a conversation with the trees.

Choice of Words: The is used to specify a particular thing, and wind is the movement of air. Whispered means to speak quietly, and secrets are things that are not supposed to be known by everyone. To means towards, and trees are tall plants with branches and leaves. When you put them together, it means that the wind was moving towards the trees and making a quiet sound, like it was telling secrets to the trees.