Question

If you are going to define "cornerstone" in 1 min I'll mark you brainliest else not.​

Answer 1

Explanation:

an important quality or feature on which a particular thing depends or is based.

"a national minimum wage remained the cornerstone of policy"

Answer 2

Explanation:The cornerstone (or foundation stone or setting stone) is the first stone set in the construction of a masonry foundation. All other stones will be set in reference to this stone, thus determining the position of the entire structure.