Before you can change your guitar's strings, you need to know your way around the instrument. Understanding the basic parts will make the process much clearer and less intimidating. Let's walk through the key components from top to bottom, focusing on everything a string touches.

At the very top of the guitar is the headstock. Its main job is to hold the tuning pegs, which are also called tuners or machine heads. Each string passes through a hole in a tuning peg and is wound around it. When you turn a peg, you are either tightening or loosening the string, which changes its pitch. This is where one end of each string is anchored and adjusted.

Where the headstock meets the neck, you'll find a small but crucial piece called the nut. It's a strip of hard material with small grooves that guide the strings in a straight line down the neck. The nut sets the spacing of the strings and their height at this end of the guitar.

From the nut, the strings run down the length of the fretboard. This is the long, flat piece of wood on the front of the neck, embedded with metal strips called frets. While the fretboard is essential for playing notes, for restringing, its main role is simply being the surface the strings travel over.

At the other end of the string's journey is the body of the guitar, where you'll find the bridge. This component anchors the strings to the guitar's body. The way strings attach varies between acoustic and electric guitars.

On most acoustic guitars, the strings are held in place by bridge pins that fit into holes in the bridge. The strings then pass over a thin strip called the saddle, which, like the nut, helps determine the string's height, or "action."

On many electric guitars, the bridge and tailpiece might be separate parts or a single unit. The strings are typically threaded through the back of the tailpiece or the body itself and then passed over individual saddles for each string. These saddles are often adjustable, allowing for fine-tuning of each string's height and intonation.

Knowing these five parts—headstock, tuning pegs, nut, bridge, and saddle—is all you need to understand how a string is attached to a guitar. With this knowledge, you're ready to learn the actual process of changing them.