When I left high school for college (to pursue engineering) I was quite envious of my friends in the liberal arts - they were assigned papers all the time and I had no outlet for writing (something I enjoyed quite a bit).

I have realized that written/technical communication is a great differentiator.

I journal every day but specifically to your question I would say just start writing.

Knowing your audience is key. I usually include an executive summary section at the top of any design document or product requirements document for a high level view of why people should care. Then I dive into a background or history to give context. At the end of the day it's a narrative and follows similar arcs - just with more direct prose and specific facts. I'll also drop this resource here from the Pragmatic Engineer newsletter. [0]

[0]: https://newsletter.pragmaticengineer.com/p/software-engineer...