Developing an idea into a complete piece of writing is included in which part of the writing process?

editing

drafting

generative writing

publishing

Drafting is developing an idea into a complete piece of writing in a writing process. Because, in this process, the writer is translating his thoughts into writing and when he does this, there are expected mistakes and errors that will be corrected in editing. When the write up passes the review, then it could be published.