During which stage of the writing process do you explore a topic and organize ideas

During the prewriting stage, writers explore a topic and plan the structure and content of the eventual piece of writing. They may also identify the audience and define the purpose of the essay, and begin to gather ideas about the topic.

Explanation:

i have identified the gerund in this sentence by writing it in all capitals.

gerund phrase: writing it in all capitals

gerund use: object of preposition