A cornerstone can mean one of two things:
A cornerstone is a stone on the corner of a building that tells what year the building was built.
He was the cornerstone of the department. This is the cornerstone of the building
This cornerstone is broken.
Whas is the use of cornerstone
Cornerstone Florida was created in 2003.
The cornerstone of sustainment for the army is to be successful in combat.
The cornerstone of sustainment for the army is to be successful in combat.
Cornerstone Festival was created in 1984.
Cornerstone Group was created in 2005.
Cornerstone OnDemand was created in 1999.
Cornerstone Florida ended in 2007.
Cornerstone University was created in 1941.
Cornerstone Research's population is 450.