Is there a simple way to explain what a "dent in spacetime" means? How can it be measured. I don't doubt that science and you all are right, I'm only asking qu

Is there a simple way to explain what a "dent in spacetime" means? How can it be measured. I don't doubt that science and you all are right, I'm only asking questions in the hope that there is a simple explanation that would make a light-bulb go off in my head.