Coffee menus become easier to navigate when you group drinks by what is added to the brewed coffee. Black preparations contain coffee and water; milk drinks add another source of texture and sweetness; chilled drinks introduce a further question about extraction and dilution. These distinctions are more useful than assuming every unfamiliar name describes a completely different ingredient.
Espresso is a concentrated preparation made by passing hot water through a compact coffee bed under pressure. An Americano adds water to espresso, while a lungo changes the extraction itself; those are not necessarily interchangeable ways to obtain the same cup. Milk-based drink names can indicate a relationship between coffee, milk and foam, but café serving sizes and local usage vary.
When ordering, ask one specific question: how many espresso shots, how much milk, or whether the iced drink is cold brew. At home, keep those components measurable so you can reproduce a combination you like. The source's large drink library is useful as a set of possibilities, rather than a rule that every café must follow. Familiarity with the structure makes experimentation more rewarding than memorizing a long list without tasting it.

The conversation
A good question can make a better brew.