This document provides guidance on how to narrow down a topic for a senior project. It discusses developing a central question by brainstorming the parts of the topic and how they relate. Examples are provided for the topic of vegans. Readers are prompted to write their own questions about the subparts and larger systems related to their topic. The document also discusses categorizing a topic, comparing it to similar topics, and how a topic may have changed over time as part of a larger history. It encourages speculative and evaluative questions and provides criteria for what makes a good question. Overall, the document aims to help readers focus their broad topic by identifying specific aspects and angles to explore.