Give the idea a shape
A rough idea becomes easier to develop when you give it a simple sequence. Begin with the question the reader recognises, explain your central point, and show how it works through an example. Finish by explaining what the reader can take from that example. The structure creates a route through the material.
For a piece about project handoffs, the question might concern information that keeps getting lost. The central point could be that ownership needs to be explicit. A short description of an unclear handoff shows the problem, and a revised version shows how naming the next person changes the process.
Draft the whole argument first
Write a complete rough version before polishing every sentence. Seeing the whole piece exposes gaps that attractive individual lines can hide. You may discover that the example proves a different point, or that the opening raises a question the ending never answers. Those are structural decisions worth resolving early.
Keep notes for material that does not fit yet rather than squeezing it into the draft. Once the argument holds together, refine the transitions and language. A useful first draft does not need to be elegant. It needs to make the idea visible enough that you can judge its sequence, support, and meaning.