A vendor may have multiple properties currently being sold, or previously sold, by your agency.
The landlord overview screen will show the number of properties belonging to this landlord on the system, including a breakdown of those active and archived. The active properties will be listed and can be clicked to go to the respective property record.
You can also view a list of all properties belonging to this vendor on the vendor view via Vendor > Properties.
You can add a new property for this vendor by clicking Add Property. This displays the standard form to add a property with the vendor selection pre-filled.