I'm a little late to this party, actually to the point where the lights are already off and they're about to lock the doors. But I got to chime in here, because the OP was asking for a conceptual answer to a conceptual question, and what he mostly got in response was math, definitions, and...
I didn't see anything directly in the Help section, so I did a search on "edit posts". Here are some links that turned up:
https://www.physicsforums.com/threads/edit-posts.398659/#post-2690340
https://www.physicsforums.com/threads/post-edits.277686/...
I put up a long post late last night. In the light of the day, there are some edits I'd like to make, but the "Edit" button is gone from the bottom.
Everywhere I've looked said we have 24 hours to edit, and it's only been 6. I'm definitely logged in as me, because I used my own Content page...
Steinein -
Like you, I followed a link here on my search for a better explanation of the concepts behind GR. I've been scouring the internet for a couple weeks now, linking from one page to the next, and I swear if I watch one more video of a guy dropping a ball in a rocket ship or falling...