As I mentioned above, evidence of possession can take many forms and, although it must show control, is not limited to actual possession of the material. (slaw.ca)
The law specifically says that visitation need not include overnight visits or actual possession of the child. (divorcesource.com)
(b) At the request of the landlord, the justice of the peace shall, after the fifth day after the rendition of the judgment, issue a writ of possession directed to the writ server, constable or sheriff, commanding him to deliver forthwith actual possession of the real property to the landlord... (law.stackexchange.com)