That means for every minute on the screen we shot ten minutes. A scene with three women is shot once in a wide angle. Then we shoot the scene again from each woman's point of view. Then we film two shots. And sometimes we had to film another take because of a sneeze or airplane or flubbed line.
Some people only shoot three to one.
When you watch their film you often see the boom or hear the sneeze. E quipment rental companies require you to have insurance. Insurance companies require you to have a City Filming Permit. The City Filming Permit people require you to have Workers Comp. The Worker's Comp people require you to have a city Business License.