Foundations are the elements of the construction which transfers the weight and the loads from the structure to ground. Firstly the constructions can be deep or shallow. The former are for buildings and can be up to 65 meters deep, and the latter are for houses and can be only one meter deep. Another difference is that they can be shallow. The difference is that shallow are also called spread footings. Another type is the individual foundation which is the most used among the constructors.
Foundations Differences and Types
Click the link under the pictures and read more about the differences and the other types of foundation.