If that happened, the actual cash value at a given point in time may be less than that shown on the table. (answers.com)
An appraisal is a certified appraiser's estimate of the value of a home at a given point in time. (anitaclarkrealtor.com)
I think they are terrific for beginners because they tell you the very basic information you need to know — the price at a given point in time. (wisestockbuyer.com)