1. There are several methods for measuring thread density in fabrics, including using a one inch counting glass, a traversing thread counter microscope, fabric dissection, and optical methods using parallel or taper line gratings. 2. The traversing thread counter consists of a traveling microscope on a plate that can measure threads in a fabric sample placed on a transparent panel using a built-in gauge and stroke counter. 3. Other factors like crimp, crimp percentage, and crimp amplitude are additionally used to characterize yarns in fabrics.