It is a baffling mess. Currently VGA (still hanging on by a frayed wire in corporate world), DVI, DP, HDMI, USB-C all in everyday use, and that's just the basic physical connectors.
Then Mini/micro/dual-link versions of some of those, different versions of protocols, layered protocols....
I'd say USB C to display port. Not sure if HDMI will work properly with 4k@60Hz
https://www.amazon.co.uk/DisplayPort-uni-Thunderbolt-MacBook-Pixelbook/dp/B075V27G2R