Thread, Thread Science, Thread Selection, Polyester Thread, Cotton Thread , Silk Thread , Rayon Thread ,   Spun Thread,   Core Thread,   Textured Thread, Air Entangled Thread, Twisted Multi Filament Thread,   Monocord Thread  , Monofilament Threads, Fiber Type, Thread Construction, Thread Size, Sewability (Process ability), Seam Performance (Seam strength, seam durability, etc), Seam Appearance (Color, color fastness, stitch appearance, etc.), Availability (Is the product available to meet needs?), Cost (Cost includes both the price and the hidden costs associated with the above), Thread Finishing,