When you are in Italy the number1 coffee drink is probably the espresso.A real espresso is only 1 ounce of strong coffee roast(50% Robusta). Then you can have either espresso "short shot" (Ristretto) 3/4 ounce of espresso in an extraction( very strong). The next kind of espresso is a " long shot" 1.5 ounce shot. Last kind of espresso is the " double shot" ( 2 ounce shot of espresso).l prefer this kind of coffee.
The Latte is a shot of espresso with plently of steam wet milk.
Then come the Americano with plenty of water and a shot of espresso.
The above coffee are the basic coffee serve in the cafe and at home.
There are many more way of having coffee..The coffee list is tremendous .. here are some. .Mocha, Macchiato, Cold or Nitro Brew,Flat White , Ice Coffee, Flavor Coffee and etc...