While the input is on, the piston willThat is, the signal's time to travel from a location A to location B increased by 01 seconds A tick concerns only to the increase in signal time In the setting of Redstone, "tick" almost always refers to Redstone ticks Place a command block with this command /setblock ~ ~1 ~ redstone_block 0 destroy Then place a redstone block on top of it This clock pulses times per second, which is really fast, but might produce lag This clock is a little bit slower, but still super fast You can easy toggle it on/off, and it doesnt use command blocks
Fastest Redstone Clock Without Command Blocks In Minecraft Youtube