Bottoms are an apparel term used to describe the layers of clothing worn on the bottom half of the body. Bottoms may be in reference to undergarments or outerwear.
About Shorts:
Shorts are apparelbottoms that have material cut short above the knee or slightly below the knee.
About Tights And Hose:
Tights and hose refers to any type of leg garment designed to cover, either from the waist to the feet, or from the upper leg down to the ankles. Tights are generally made of opaque or semi-opaque tight-fitting but stretchy materials and designed to support and shape the legs. Leg warmers generally fit loosely, cover the lower leg, and provide warmth.