* Possession: The person who has possession of the property is generally considered to have title to it.
* Deed: A deed is a written document that transfers ownership of property from one person to another. A deed must be properly executed and recorded in order to be valid.
* Adverse possession: Adverse possession is a legal doctrine that allows a person to gain title to property by occupying it for a continuous period of time without the permission of the owner.
* Escheat: Escheat is the process by which property is transferred to the government when there are no heirs.
It is important to note that the criteria for title can be complex and vary depending on the specific circumstances. If you have questions about the criteria for title in a particular jurisdiction, you should consult with an attorney.