I had always assumed that "DPS" was "Damage Per Second".
That interpretation is certainly consistent with the stats given on bows, where they list a damage, a firing rate and a DPS that are all consistent with this.
But then I read the "spectral barrage" write up, where it talks about each arrow dealing "75% ranged DPS", and taking 0.5 seconds. Does this mean that spectral barrage is doing 75% ranged DPS, or that each arrow does 75% of the ranged damage? I presume, given the level of this talent, that it means the latter, but the usage is ambiguous.
I'm now training up a mage, and finding the same problems there. Overload delivers 175% spell DPS, but takes 1.5 seconds to cast. Does that mean it does 175 * 1.5 damage per spell?
From context and from usage within the game, it seems as though "DPS" is used both as a damage and as a damage rate, which is unfortunately ambiguous.
Or does the "S" stand for something else entirely?

