There are two basic types of knots used in oriental rugs:

1. Persian Senneh
   A fine asymmetrical knot used in fine urban and complex tribal carpets. Observers will notice that these rugs have a light and a dark side.
2. Turkish Ghiordes
   The symmetrical knot used in most tribal carpets it makes for a higher pile heavy wearing style of rug. Chinese carved carpets also feature this knot.