Alla fine della lezione, facciamo due passi in giardino.

Because alla fine is the normal expression for at the end.

• a + la = alla
• fine = end

So alla fine literally means to/at the end. In Italian, you usually need the preposition here; you would not normally say just fine by itself with this meaning.

In this sentence, alla fine della lezione = at the end of the lesson/class.

Della is a contraction of di + la.

• di = of
• la lezione = the lesson

So:

• la fine di qualcosa = the end of something
• la fine della lezione = the end of the lesson

Italian often contracts di + article:

• di + il = del
• di + la = della
• di + i = dei, etc.

It can mean both, depending on context.

Common meanings of lezione include:

• lesson
• class
• lecture

So alla fine della lezione could mean:

• at the end of the lesson
• at the end of class
• at the end of the lecture

The exact English choice depends on the situation.

Facciamo is the 1st person plural form of fare in the present tense:

• io faccio = I do / I make
• noi facciamo = we do / we make

But fare is used in many idiomatic expressions, and here it does not literally mean do. In fare due passi, it means something like take or go for a short walk.

So facciamo due passi means we take a short walk or, depending on context, let’s take a short walk.

Yes, it can, depending on context and intonation.

In Italian, the 1st person plural present can sometimes be used to make a suggestion, much like let’s in English.

So facciamo due passi may mean:

• we take a short walk / we’re taking a short walk
• or let’s take a short walk

Without more context, both are possible. In everyday speech, tone of voice usually makes the intended meaning clear.

Because Italian usually leaves out subject pronouns when they are not needed.

The ending -iamo already shows that the subject is we:

• facciamo = we do / we make

So noi is unnecessary unless you want emphasis or contrast.

For example:

• Facciamo due passi. = We take a walk.
• Noi facciamo due passi, loro restano qui. = We’ll take a walk; they’re staying here.

In the second sentence, noi is used for emphasis or contrast.

It is an idiomatic expression. It does not mean literally taking exactly two steps.

Fare due passi means:

• to take a short walk
• to go for a little stroll

Here due often has the loose sense of a couple of rather than the exact number two.

This is very common in Italian. It suggests something casual, brief, and relaxed.

Because Italian often uses fare in expressions where English uses a more specific verb.

For example:

• fare una passeggiata = to take a walk
• fare due passi = to take a short walk
• fare colazione = to have breakfast

So this is something you mostly learn as a set expression. Even though fare usually means do/make, in many everyday phrases it works more like a support verb.

Both can be possible, but they are not exactly the same in feel.

• in giardino = in the garden / out in the garden, often more general
• nel giardino = in the garden, but more clearly referring to a specific garden

In many everyday contexts, in giardino is very natural when talking about being or doing something in the garden area.

So:

• I bambini giocano in giardino. = The children are playing in the garden.
• Ci sono molte rose nel giardino della villa. = There are many roses in the villa’s garden.

In your sentence, in giardino sounds natural and idiomatic.

Yes. Italian word order is flexible.

You can say:

• Alla fine della lezione, facciamo due passi in giardino.
• Facciamo due passi in giardino alla fine della lezione.

Both are grammatical.

Putting Alla fine della lezione first gives the time expression a little more prominence and sets the scene right away. The comma is also normal when a time phrase comes at the beginning of the sentence.

Yes, absolutely.

• fare una passeggiata = to take a walk
• fare due passi = to take a short walk

Both are correct, but the tone is slightly different:

• una passeggiata sounds a bit more neutral
• due passi sounds a bit more casual and conversational, often suggesting a quick or light stroll

So the original sentence feels very natural and informal.