humbucker description:

Humbuckers are the second gen tech in the instrument world and were designed to fix the noise problems of the single coil. The two coils basically act as a buffer, cutting out the feedback by sending the signal through 2 polarity fields.

pickup wire styles:

This is one of the most important things to learn when dealing with wiring, because depending on how the pickup is wired internally allows you to play with how it fundamentally works