Which type of property is primarily categorized as a shopping center?

The correct choice for categorizing a shopping center is retail. Shopping centers are specifically designed to house a variety of retail stores where goods are sold directly to consumers. This type of property is characterized by its focus on providing a space for shopping activities, including boutiques, department stores, restaurants, and service providers, all within one location.

In contrast, industrial properties are intended for manufacturing or distribution purposes and do not encompass retail functions. Residential properties are aimed at providing living spaces for individuals and families, focusing on housing rather than commercial activities. Agricultural properties are related to farming and crop production, which is also unrelated to the concept of a shopping center.

Thus, retail properties stand out as the primary category for shopping centers, given their specific use and emphasis on consumer transactions.