What does c 7000 B.C. mean?

The term "c. 7000 B.C." refers to an approximate date around 7000 years before the Common Era, which is the same as saying approximately 9,000 years ago. The "c." stands for "circa," a Latin Word meaning "around" or "approximately." This notation is commonly used in historical and archaeological contexts to indicate that the exact date is not known but is estimated to be close to that time.