"Apartment" corresponds to the term "unit."
"Co-owner" corresponds to the term "unit owner."
"Council of co-owners" corresponds to the term "unit owners' association."
"Developer" corresponds to the term "declarant."
"General common elements" corresponds to the term "common elements."
"Horizontal property regime" and "condominium project" correspond to the term "condominium."
"Master deed" and "master lease" correspond to the term "declaration" and are included in the term "condominium instruments."
Va. Code § 55.1-1901