What is the definition of the keyword "soli" and how does it relate to the concept of property ownership?

The keyWord "soli" refers to the legal concept of owning both the surface and subsurface rights of a property. This means that the property owner has control over what is on the surface as well as what lies beneath it, such as minerals or resources. This concept of soli is important in property ownership as it grants the owner comprehensive control and rights over the land and its resources.