Originally Posted by
Camelot
Even though it is realistic for fighters to be trained in multiple weapons, particularly if they were in an army, characters in fantasy who use weapons almost always have a specific weapon with which they specialize, and thus almost ALWAYS use in battle. I think 4e does this fine, as a fighter can use any military-grade weapon if they have to, but can choose feats to specialize in using their favorite weapon better. 5e only has a few feats so far, so we only have a rough idea of where they're going with weapon specializations, but it seems that it is largely the same: the fighter has training in every weapon category, but if you choose, for example, the Archer specialty, you are better with bows than other weapons.