In rem jurisdiction is a legal term describing the power a court may exercise over property or a "status" against a person over whom the court does not have in personam jurisdiction
Claim in the simplest sense means that one requests or demands that he owns or has earned a particular thing. The one who claims is called a Claimant.
The general meaning of the word caution is the care taken to avoid any danger or mistakes. The word caution is used in a very regular manner and is an everyday word. If one wants to warn someone else, they always say that stay cautious.
An unconscionable contract is a contract which is drafted in such a manner that it favors one party and is unfair and harsh on the other party.