I think so. You just have to learn to visualize things in a way that might make sense. Like the rubber sheet and ball. The rubber sheet exists in 2 dimensions, so do the people affected by the ball, but the ball exists in 3. This is the same as the volume of stuff in 3 dimensions existing in the...
Pretend you're accelerating in your car, and the road curves. You turn with the road, right? It's not really the accelerating that's pulling you, it's that while you're accelerating, you're accelerating through a curved portion of spacetime towards the centre of the earth. It is impossible to...
On a sort of related note, since gravity occurs as a constant acceleration in the 4th dimension, and the 4th dimension has come to be known as time, could time then be considered to be the constant acceleration which we all experience as gravity?