0 the key on a computer keyboard that usually has "Ctrl" printed on it and that is used along with other keys to do particular operations --
1 a key on a computer keyboard, usually with ‘Ctrl’ printed on it, which you press with other keys to make the computer do a particular thing: --
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
Можем да го завършим стъпка по стъпка, колкото и дълъг да е пътят и не може да бъде завършен, колкото и кратък да е пътят, ако дори не маркирате отпечатъка си.