A text structure is a format (or pattern or template) for writing. Here is my favorite text structure and some examples of its use in nature journaling or writing about a painting during art appreciation.
1. Direct address, and a question
2. Description of one physical characteristic of the object
3. Description of another characteristic with a simile
4. An imperative (command) or a wish or hope to the object
Peacock, why are you so much smaller than your tail? You have many colors on you. You are as brilliant in colors as a beautiful fantasy sky. Would you be my pet? Peacock, I hope that you can make friends in your world.
These writings are by children. To teach about similes, read Quick as a Cricket.