guide
The Italian word 'guida' is used to describe a person who leads or shows the way, similar to the English word 'guide'. It can also refer to a book or manual that provides instructions or information, as in the case of a travel guide or user guide.
The tour guide is showing the city to the tourists.
In this sentence, 'guida' is used to refer to a person, specifically a 'tour guide'. This person's job is to show and explain interesting things about a specific location to tourists.
The car needs a new guide.
In this example, 'guida' is used in the context of mechanics, referring to a part of the car that needs replacement. This could mean a 'guide' or 'rail' in the mechanical structure of the vehicle.
I need your guidance to complete this project.
In this third sentence, 'guida' is interpreted as 'guidance'. It's not referring to a person or a thing, but a kind of help or support someone gives to someone else to accomplish a task.