In monopolistic competition, numerous sellers offer products that are similar yet differentiated, allowing them to exert some influence over pricing. This type of market structure is marked by characteristics such as free entry and exit of firms, non-price competition through advertising and branding, and a large number of sellers. Businesses operate in a way that captures more consumer preferences by improving quality and differentiating products. Examples include brands of toothpaste, clothing lines, and various types of restaurants, highlighting how businesses in this market structure strive to stand out despite the competitive presence.