What type of property consists of items that generate income from their use?

The correct answer pertains to trade fixtures, which are defined as items installed by a tenant in a rented commercial space for the purpose of conducting their business. These fixtures can include equipment, furniture, and other items that are essential for generating income through business operations. Trade fixtures are considered personal property, and even though they are attached to the real estate, they are typically removable by the tenant before the lease ends, provided no damage is caused to the property.

In contrast, personal property generally refers to movable items that are not tied to a specific location or use in a business context. Real estate refers to land and anything permanently attached to it, but it doesn’t inherently describe items that generate income from use, as many real estate properties may not directly produce income unless leased or rented. Emblements refer to crops or agricultural products that a tenant has planted and are considered personal property under certain conditions, but they are generally seasonal and don’t encapsulate the broader concept of income-generating items associated with trade fixtures.

Thus, trade fixtures effectively encapsulate the specific type of property that items generate income from their use, aligning perfectly with the question's criteria.