Road bikes, as their name suggests, are bicycles designed to be ridden almost exclusively on the road and similar paved surfaces.
They are also much more optimised for speed and aerodynamics relative to other bike types.
As you are probably starting to realise, road bikes are the fastest 'breed' and this speed comes with a small price - ease of handling, limited utility for accessories like racks and kickstands, and lack of control on rough surfaces.
So if you're intending to stick to the roads 100% and enjoy the thrill of speeding down your favourite stretch of tarmac, a road bike would be the perfect tool for the job.
We have another great article here on how to choose the best road bike for your needs.