If you are looking to buy an insurance policy, but you are not familiar with the industry jargon and terminology, it is a good idea to try to get to grips with it before you seriously start your search. There are a variety of means by which to go about structuring this process.
To begin with, you might want to head down to your local bookshop and purchase a volume on insurance. Try to find a book that is something akin to a beginner's guide; this will ensure that the language is easy and that the key concepts are articulated simply.
Alternatively, you could get online and begin your research there. There are literally hundreds of pages claiming that you'll be able to find out what mortgage insurance is on this site. Unsurprisingly, not all of these are legitimate, so you will need to remain discerning while you are browsing the web.
Finally, you might consider asking a knowledgeable friend or family member, or, alternatively, an employee in the industry, to give you a short, crash course in insurance and its basic principles. This method has the added advantage of allowing you to ask questions when they arise, and to receive your answer immediately.
Before you actually buy an insurance policy, it is a good idea to have a handle on what the basic principles of insurance are. Find a way to learn what suits your needs and you will invariably find yourself making a more informed decision.