What is Gravity and Anti-Gravity?

Credit to the original video creators:

Clip 1 Bernardo Kastrup Why materialism is baloney
Clip 2 What Is Gravity
Clip 3 It is not gravity. It is called density and buoyancy. Simple science not scientism.
Clip 4 What is GRAVITY - Spacebusters CLIP w Flat Earth Dave
Clip 5 Gravity The Death Of Scientism w Steve Young
https://www.youtube.com/watch?v=3eDUFiclhrA&t=7281s
Clip 6 Viktor Grebennikov - Anti-Gravity & Levitation
Clip 7 The “flight” of the Bumblebee
Clip 8 NASA dropping a ball in Zero Gravity Apparently