Attempt to avoid price competition, prefering instead to differentiate themselves by precisely targeting customer segments with narrow and deep assortemts of specialized product lines and by providing superior customer service and friendly, knowledgeable and even highly attractive sales staff.

Specialty store

Explanation:

A specialty store is a retail business that specializes in a particular range of products and its related merchandise.  A specialty store will have an extensive depth of the merchandise that its stocks. For example, a business may focus on office supplies, men clothing, or household appliances as opposed to having a wide range of consumer products.

Specialty stores will often sell their products at a premium price. They offer excellent and friendly customer service. Employees at a specialty store have in-depth knowledge about their products and will provide expert advice to customers.

paying attention to the details