A residential garage door is an important part of your home. At first glance, it may seem simple to understand the mechanics of it: a door plus an electric opener. But it’s a little more complicated than that. A garage door is made up of several parts that work together to safely raise and lower your door. If one breaks, it affects the rest of the door, usually rendering it unusable. It’s a good idea to understand the basic parts of your residential garage door so you can quickly identify where the issue exists when your door stops working.