Can someone who has no mathematical background understand gravity? I don\'t think so.
This requires an unusual approach, and I would be surprised if the devel.
A third option is offered in this book, which deals with Gravity using Special Relativity only.
Either learn about tensors, or give up.
What about someone who has studied maths at high school level only? They can handle Special Relativity with the level of maths they already have, but when it comes to General Relativity, it isn\'t enough.
Can someone who has no mathematical background understand gravity? I don\'t think so