Originally stemming from micro-management, the ability to
expertly control multiple units simultaneously in an
RTS, micro has come to mean the general finger
dexterity gained from repeated gaming.
1: "He's attacking
your base, quick, micro up a bunch of battle
tanks."
2: "FPS players may have fast micro but they're kind of dumb."
3: "He's good at
strats but he hasn't got the micro."