Both
Both
Maybe a better term is field-replaceable batteries. It's great for the longevity of a device to be able to install a new battery in a few minutes with just a screwdriver, but I miss the earlier days of cell phones where you could keep a spare battery in your bag while out and about and swap it out with the dead battery in your phone in just a couple seconds.
Ahora con mas semen del toro
That emoji is called "hot beverage".
A cup of a steaming-hot beverage, usually taken as coffee or tea. Sometimes shown on a saucer.
Check out PolyCube for a modern 3D Tetris.
Not every "Reddit alternative" is on the Fediverse.