"Attachment on property" is a term used in the legal and real estate industries, referring to any physical and permanent addition or improvement to a piece of real estate property. Some synonyms for this term include "improvement," "fixture," "affixation," "addition," and "accession." Improvements refer to any additions made to the property, such as building a fence, paving a driveway, or adding a pool. Fixtures refer to items that are physically attached to the property, such as light fixtures, plumbing fixtures, or built-in appliances. Affixation is the act of attaching something to the property. Addition is self-explanatory, while Accession refers to an improvement that becomes a part of the original property.