The basis of all cue sports is a powerful, accurate, and reliable stroke. It doesn’t matter your discipline, snooker, pool, carom; without a straight stroke, you will always struggle with potting consistency and positional play. These drills are designed to hone your stroke to laser accuracy. Return often to these drills to ensure that you have not developed any inconsistencies and refine your technique. If you haven’t already, read How to Practice to learn how to most effectively incorporate these exercises into your practice routine.
For simplicity, I have only used diagrams of pool tables for these drills, but they are equally applicable, and perhaps even more vital, to playing snooker.