"Presearch" means finding background information about your topic so you understand the context and the 5 Ws: Who, What, When, Where, Why.
This information is called an overview of your topic.
Ask yourself:
This organizer will guide you step-by-step through presearch.
Once you have an overview of your topic, it can be helpful to create an outline of the basic events, context, and timeline.
You can think of this as "telling the story" of your topic, or the way you would summarize your topic to someone in a brief ride on an elevator (this is known as an "elevator speech."