Usage patterns
〈物〉の草案を作成するto draft (a document, bill, speech, etc.)
The committee drafted a bill for a new law.
草案を練るto refine/work out a draft
They held meeting after meeting to refine the draft.
草案がまとまるfor a draft to come together/be finalized
The draft of the contract has finally come together.
草案を提出するto submit a draft
He submitted the draft of the amendment to the assembly.
草案に基づいて〈動詞〉to do something based on a draft
The final document was prepared based on the draft.