Drive-in restaurants have been a popular dining concept for nearly a century and the term "drive-in" has become synonymous with this type of establishment. However, there are a few other terms that can be used to describe a drive-in restaurant. Some people refer to them as drive-thru restaurants or drive-up restaurants, emphasizing the convenience of being able to place your order without leaving your car. Others may use the term carhop restaurant which harks back to the days when waiters would take your order from your car and deliver it on roller skates. Regardless of what you call them, drive-in restaurants remain a beloved and nostalgic part of American dining culture.