High Street is the British term referring to the main street of a town, usually where the principal shops/retail shops are situated. It also refers to the commerce geared to meet the requirements of, and readily available for purchase by, the general public; the market constituted by the general public.
It is usually a focal point for shops and retailers in the city centre, and is usually used in reference to retailing.
Hight Street is known in the United States and Canada as Main Street.