If you've been undecided between buying a USB-C hub or a docking station, or you already have a hub but it's not living up to your expectations, now might be the time to get yourself a docking station.
Thunderbolt's original intention was to replace and combine a number of pre-existing ports. Thunderbolt can transmit video and audio, transfer files, connect to monitors, storage devices, and it can even charge.
A Thunderbolt 4 port looks a lot like a USB-C port, USB-C is the name of this physical port type, and Thunderbolt 4 is a protocol. Or in other words, a Thunderbolt 4 port is a USB-C port with the Thunderbolt 4 protocol.