I don't believe there really is an official Original 8 teams. The NFL began as the American Professional Football Association or APFA. It began with 14 in 1920, two of which (the Decatur Staleys and the Chicago Cardinals) are still around, as the Chicago Bears and the Arizona Cardinals.
A textile is anything that is made up of fibers, yarns, or fabrics. The basic building blocks of textile products are fibers.
Plain weave is the most basic type of weave and is the foundation of all the other types of weave. The weft is made to go over and under alternately through a single piece of unbroken warp. This results in a checkered pattern where the blocks are uniform. Under plain is also another type of weave, like the rib weave.