Also learn how to diagram and do quick mock-ups. Visuals can help bridge the gap between what you can articulate and what the reader needs to develop a good men

Also learn how to diagram and do quick mock-ups. Visuals can help bridge the gap between what you can articulate and what the reader needs to develop a good mental model of the proposal. [this comment is coming from someone who writes mostly technical design documents needing to communicate a technical solution to a problem while also considering multiple alternatives]