Title is a legal term for a bundle of rights in a piece of property in which a party may own either a legal interest or an equitable interest The rights in the bundle may be separated and held by different parties. It may also refer to a formal document that serves as evidence of ownership.
Escrow generally refers to money held by a third-party on behalf of transacting parties. It is best known in the United States in the context of real estate (specifically in mortgages where the mortgage company establishes an escrow account to pay property tax and insurance during the term of the mortgage). Escrow companies are also commonly used in the transfer of high value personal and business property
A title search determines if there are liens or encumbrances on the subject property and what kind of restrictions or covenants pertain to the use of the land.