There is a strong implied setting in the above description, namely a Keep on the Borderlands-style frontier. First, the
frontier setting is strongly reminiscent of the American frontier (vast stretches of
"free" land, militarized border towns and "homesteads," cash economy, and of course the Others who threaten "civilization"). But it's also very handwavy: there's civilization and then a generic expanse "out there" where orcs, goblins, bugbears, hobgoblins, etc all live. There's no sense of who controls what territory, whose allied with whom, etc. They are simultaneously described as only forming "loose knit" groups and being powerful enough to threaten entire kingdoms. In other words, the king has an orc problem, and somehow 4-6 adventurers are the best way to deal with that problem, and everything else is shunted offscreen.