0 used as the subject of the verb when meaning a group of people, animals, or things that have already been talked about -- essi, esse, loro
1 used to refer to a person when you want to avoid saying ‘he’ or ‘she’ or when you do not know if the person is male or female -- usato per parlare di qualcuno quando si vuole evitare l’uso di “he” o “she” o se non si sa se la persona è uomo o donna
3 persons, animals or things already spoken about, being pointed out etc -- essi, esse, loro
They are in the garden.
4 used instead of he, he or she etc when the person’s sex is unknown or when people of both sexes are being referred to -- (lui), (lei)
If anyone does that, they are to be severely punished.
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.
Possiamo completarlo passo dopo passo, indipendentemente dalla lunghezza della strada, e non può essere completato, per quanto breve sia la strada, se non segni nemmeno la tua impronta.