
1. A cerca de or cerca de mean “approximately”, “more or less”.
We were a cerca of two blocks from the crime scene.
2. Acerca de is a synonym for “about” or “regarding”.
I spoke acerca da economic situation of Brazil.
3. Há cerca de expresses elapsed time, meaning “it has been approximately”.
He traveled há cerca de two hours ago.
source: Minigramática online.



