Work in 1 set to take over command of 1 clock cycle (cycle), but if those statements are made in a row (pipe), and parallel with, the overall average time is one command, the clock cycle (cycle).
Work on the first series to take over first clock cycles (cycle), but making those statements to behave in a row (pipe) and parallel with each other. Thus, the overall time of the order of one per clock cycles (cycle).