How does combat actually play out?

I'm curious as to how combat actually is played out? I understand how the stats work, sort of, but how do we determine whether an attack hits, how much damage is actually done, etc. I don't intend to engage in any combat for a little while but eventually I will have to. Do we have to just use our fair judgement, which can be iffy, or do we notify mods, or is there a dice roll system? (DnD is super fun btw.) Any advice would be greatly appreciated! Thanks for your time.

The combat guide, in general, suggests what sort of damage you can do to an opponent based on your stat differences. For now, it heavily relies on a mutual resolution and understanding between RPers, which I'm beginning to doubt the wisdom behind. I might eventually end up adding a dice roll which players can roll based on a "chance to hit" that is vaguely mentioned in the combat guide, which will govern the hit-landings much more reliably and consistently. But, until then, we'll simply have to play fairly with each other and do our best not to god-mod.