What is a remnant rug? What does that mean? Is it cheap or expensive? What are the...

What does that mean? Is it cheap or expensive? What are the details something like it?
Answers:    in most vocabulary,since most room sizes are 12 feet by 12 foot and above, it usually refers to rugs that are under that size......
similar to 12 feet by 11 foot or 12 by 9 or 9 by 9.......
some companies will make remnant sizes smaller but usually anything underneath 12 by 12 is considered hard to flog so they consider them to be a remnant.............
left over from hearth rug roll at carpet warehouse