I find the star icon, created by typing #star, is not very visually obvious. Which rather defeats the object of making a starred paragraph stand out!
Could the star be placed at the beginning, rather than the end, of a paragraph? That way one only needs to run one’s eye down the straight left hand margin, rather than zigzagging down the ragged right hand margin?
The short answer: as you see fit. Long answer, there’s no single way we have intended, it’s a way to mark or flag a paragraph. Which can be “as important”, “as to-do”, “to follow up” etc etc Each user can have its own use case.