noun
draft plan; rough plan; preliminary proposal
Refers to an initial, unpolished version of a plan or proposal, often used in business, government, or organizational settings before formal approval.
委員会は新しい規則の素案をまとめた。
The committee put together a draft of the new regulations.
まず素案を作成してから、細部を詰めましょう。
Let's first create a rough plan and then work out the details.