Ho sfogliato una rivista all’edicola mentre il barista preparava il mio caffè.

Yes. Italian often drops subject pronouns when they are clear from the verb form. Ho sfogliato already tells you the subject is I, because ho is the first-person singular form of avere in the passato prossimo.

You could say Io ho sfogliato..., but that would usually add emphasis or contrast, as in I flipped through a magazine, not someone else.

Ho sfogliato is the passato prossimo, and here it presents the action as a completed event: the speaker flipped through a magazine during that moment in the past.

If you said sfogliavo, that would be the imperfetto, which usually gives a sense of an ongoing, background, or habitual action: I was flipping through or I used to flip through. In this sentence, Italian treats flipping through the magazine as the main event, so ho sfogliato is the natural choice.

Preparava is the imperfetto, which is often used for a background action in progress. The idea is: while the coffee was being prepared, the speaker flipped through a magazine.

With mentre, Italian very often uses the imperfect when one action is the ongoing setting for another. Mentre il barista ha preparato il mio caffè is not impossible in every imaginable context, but here it sounds much less natural because it does not create that smooth while he was preparing it background sense.

Sfogliare means to leaf through, to flip through, or to browse through pages. It usually suggests a quick, casual look, not careful reading from start to finish.

So Ho sfogliato una rivista is closer to I flipped through a magazine than I read a magazine. If you wanted to say I read, you would more likely use leggere.

Here edicola means a newsstand or kiosk where newspapers and magazines are sold. That is the meaning that fits the context of una rivista.

All’edicola means at the newsstand. It locates the action at that place. You may also hear in edicola, but that often means in the newsstand or even available at newsstands. In this sentence, all’edicola is a very natural way to say the speaker was at the newsstand.

It is the combination of the preposition a with the definite article used before edicola.

Since edicola begins with a vowel, the article is l’: l’edicola. Then a + l’edicola becomes all’edicola.

This is part of a common Italian pattern:

• a + il = al
• a + lo = allo
• a + la = alla
• a + l’ = all’
• a + i = ai

In Italian, possessive adjectives usually take a definite article. So you normally say il mio caffè, la mia macchina, i miei amici, and so on.

English often says my coffee without an article, but Italian usually does not work that way. One major exception is with some singular family members, like mia madre or mio fratello, where the article is often omitted. That exception does not apply here.

Not exactly. In Italian, a barista is a person who works in a bar, which in Italy is often more like a café/snack bar than what English speakers may picture as a bar for alcohol.

So an Italian barista certainly may prepare coffee, but the word is a bit broader than the trendy English use. Also, it changes by article more than by noun ending here: il barista for a man, la barista for a woman.

The accent in caffè shows that the stress falls on the last syllable: caf-FÈ.

In Italian, when a word is stressed on the final vowel, that vowel is usually written with an accent mark. So caffè is the correct spelling. The accent is not optional.

Yes. Italian word order is fairly flexible, although some orders sound more natural than others.

For example, you could also say:

Mentre il barista preparava il mio caffè, ho sfogliato una rivista all’edicola.

That version puts the time/background clause first. The original sentence is also perfectly natural. In Italian, word order often changes the focus or rhythm more than the basic meaning.

Yes, here mentre means while. It connects two actions that overlap in time.

It is especially common with the imperfetto when one action is in progress during another. In this sentence, mentre helps create the sense of during the time that the barista was preparing my coffee, I flipped through a magazine.