1 the highest point or most successful part of something: --
2 the pointed end of an organ: --
A chest x-ray showed an abnormality in the left lung apex.
3 abbreviation for Advance Purchase Excursion: a system of cheap travel tickets that must be bought a particular number of days before travelling: --
an Apex fare
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.