0 a set of cards in alphabetical order, each one giving information about an item in a collection, for example the author and title of a book, with information on where to find it: --
1 a computer file that contains information about the items in a collection, lists of names and addresses, etc., usually in alphabetical order, that can be searched: --
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.