(4)"apartment" means and includes a part of property intended for any type of independent use including one or more floors (on part or parts thereof) in a building or buildings intended to be used for residence including group housing on co-operative basis, office, practice of any profession or carrying on of any occupation, trade or business or for other type of independent use and with a direct exit to a public street, road, or highway or to a common area leading to such street, road or highway ;
