Definition
When you create a preliminary version of a drawing, idea, or plan, you are outlining its essential components without detailing it.
勾勒；繪出輪廓；擬定梗概；草擬
She roughed out the design for the new product on the whiteboard.
她在白板上草擬了新產品的設計。
During the meeting, they first roughed out the broad framework of the project.
在會議期間，他們首先擬定了專案的廣泛框架。
Novelists often rough out the plot of the story before they start writing in detail.
小說家們通常在詳細寫作之前先草擬故事情節。