Altitude and speed

[Hornby48]

I am new to this app and i would be grateful if someone could explain what the difference is between Barometric altitude and GPS altitude and also between Ground speed, true air speed and indicated speed. Many thanks

[Oblivian]

https://www.flightradar24.com/blog/understanding-altitude-on-flightradar24/

https://www.flightradar24.com/blog/understanding-extended-mode-s-data-in-flightradar24/