Irreverent guide to USB connectors.
USB-A: The original rectangular one that you always have to turn over twice to fit into the slot. There's one on nearly every USB cable that isn't USB-C.
USB-B: The kinda square one used for every cheap long-abandoned printer ever so there are always a bunch of them in the way whenever another type is desired.
Mini-B: The one with the highest ratio of "confused for Micro-B" to "useful for anything other than last-gen videogame controllers".
Micro-B: Where did all my Micro cables go? Everyone borrows them, nobody returns them!
USB-C: They finally got it right! And with any luck, the cable's the right type and won't fry what it's connected to. The future is bright!