For the purpose and within the meaning of this chapter, the following definitions shall pertain:
Includes parks, park reservations, playgrounds, recreation centers, swimming pools, watershed and all other areas owned or used by the Borough of Marietta and devoted to active or passive recreation, whether within or without the corporate limits of the Borough of Marietta.
Includes any individual, firm, partnership, corporation or association, and any servant, agent, assistant, employee, member or representative thereof.