Hooks, by the job.
The wall of hooks in a tackle shop reduces to a handful of shapes once you know what each is FOR - a J-hook you set, a circle that sets itself, a worm hook that fishes weedless. Here are all 14 explained, with how to rig and size each. Once you've picked the shape, the hook-size chart gets the number right.
🎣 Point hooks The set-it-yourself and set-itself hooks - J, circle, octopus, Aberdeen.
🐍 Soft-plastic hooks Worm, jig, drop-shot, swimbait and wacky - the rigging engine of modern fishing.
🪱 Bait hooks Baitholder and Kahle - built to hold worms, cut and live bait.
⚓ Lure terminal hooks Trebles, Siwash singles and the barbless / single-hook conversions.
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A hook is only half a rig
Which shape you pick depends on how you rig it - the rig catalog shows the whole business end, the hook-size chart nails the number, and the knot guides tie it on so it holds.