0 to hide on a ship, aircraft, or other vehicle in order to escape from a place or to travel without paying -- viajar de polizón
1 to hide oneself on a ship, aircraft etc before its departure, in order to travel on it without paying the fare -- viajar de polizón
2 to put or pack in a (secret) place until required -- guardar
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.
Podemos completarlo paso a paso, por muy largo que sea el camino, y no se puede completar, por corto que sea el camino, si ni siquiera marcas tu huella.