Retail is the process of selling consumer goods or services to customers through multiple channels of distribution to earn a profit. Retailers satisfy demand identified through a supply chain. The term "retailer" is typically applied where a service provider fills the small orders of a large number of individuals, who are end-users, rather than large orders of a small number of wholesale, corporate or government clientele. Shopping generally refers to the act of buying products. Sometimes this is done to obtain final goods, including necessities such as food and clothing; sometimes it takes place as a recreational activity. Recreational shopping often involves window shopping and browsing: it does not always result in a purchase.
Most modern retailers typically make a variety of strategic level decisions including the type of store, the market to be served, the optimal product assortment, customer service, supporting services and the store's overall market positioning. Once the strategic retail plan is in place, retailers devise the retail mix which includes product, price, place, promotion, personnel and presentation. In the digital age, an increasing number of retailers are seeking to reach broader markets by selling through multiple channels, including both bricks and mortar and online retailing. Digital technologies are also changing the way that consumers pay for goods and services. Retailing support services may also include the provision of credit, delivery services, advisory services, stylist services and a range of other supporting services.
Retail refers to the activity of selling goods or services directly to consumers or end-users. Some retailers may sell to business customers, and such sales are termed non-retail activity. In some jurisdictions or regions, legal definitions of retail specify that at least 80 percent of sales activity must be to end-users.
Retailing often occurs in retail stores or service establishments, but may also occur through direct selling such as through vending machines, door-to-door sales or electronic channels. Although the idea of retail is often associated with the purchase of goods, the term may be applied to service-providers that sell to consumers. Retail service providers include retail banking, tourism, insurance, private healthcare, private education, private security firms, legal firms, publishers, public transport and others. For example, a tourism provider might have a retail division that books travel and accommodation for consumers plus a wholesale division that purchases blocks of accommodation, hospitality, transport and sightseeing which are subsequently packaged into a holiday tour for sale to retail travel agents.
In Medieval England and Europe, relatively few permanent shops were to be found; instead customers walked into the tradesman's workshops where they discussed purchasing options directly with tradesmen. In 13th century London, mercers and haberdashers were known to exist and grocers sold "miscellaneous small wares as well as spices and medicines" but fish and other perishables were sold through markets, costermongers, hucksters, peddlers or other type of itinerant vendor.
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Retailing often occurs in retail stores or service establishments, but may also occur through direct selling such as through vending machines, door-to-door sales or electronic channels. Although the idea of retail is often associated with the purchase of goods, the term may be applied to service-providers that sell to consumers. Retail service providers include retail banking, tourism, insurance, private healthcare, private education, private security firms, legal firms, publishers, public transport and others. For example, a tourism provider might have a retail division that books travel and accommodation for consumers plus a wholesale division that purchases blocks of accommodation, hospitality, transport and sightseeing which are subsequently packaged into a holiday tour for sale to retail travel agents. 
