Choose one constraint
Work with one colour, one focal length, or one kind of shadow for a short session. The constraint gives otherwise unrelated frames something to argue with and makes your choices easier to recognise.
Change one variable
Move the subject, camera, or light separately. A controlled comparison reveals which change produces the effect you want. Keep the unsuccessful versions long enough to learn from them.
Name the visual idea
Describe the series without listing equipment or effects. If the idea depends entirely on an editing technique, explore whether composition, gesture, or sequencing could make the same thought more convincing.