Like the other questions, when can be subdivided into subtopics that may help you uncover further possibilities for exploration. It's hard to imagine a paper that would use all or even most of these questions. Still, this list should give you an idea of how the question of when can help you discover what to say. Where Everything is somewhere, and describing that place serves two important functions. First, it permits your readers to discover the sights, sounds, smells, the whole physical environment.
Descriptive detail enriches the environmental texture, making it fuller and more vivid.
The scene is rendered and invites readers to enter it imaginatively. Also, where can show how setting shapes events. Use the question of where to orient your readers and help them know not only where things are happening but what this place is like and why it is of importance. How The question of how directs us toward method and procedure, toward process. Readers might not understand the exact nature of the action or the various parts, steps, and stages that constitute a process.