Fotografo l'intarsio prima che inizi la consegna a domicilio.

Yes — fotografo can be either:

• a noun: il fotografo = the photographer
• a verb form: fotografo = I photograph / I take a picture of

In this sentence, it is a verb, specifically the 1st person singular present of fotografare.

A useful detail: the meaning is often distinguished by stress in speech:

• fotògrafo = photographer
• fotogràfo = I photograph

In writing, they look the same, so you understand the meaning from context.

Because intarsio begins with a vowel.

In Italian, the masculine singular definite article il becomes l' before a vowel:

• il libro
• l'intarsio

So:

• intarsio = inlay / marquetry
• l'intarsio = the inlay

Here it is the direct object of fotografo: I photograph the inlay.

It is masculine:

• un intarsio
• l'intarsio
• gli intarsi = the inlays

That is why the article is l' (from il) and not la.

Because prima che normally requires the subjunctive in standard Italian.

So after prima che, Italian usually uses:

• prima che + subjunctive

That is why you get:

• prima che inizi

and not normally:

• prima che inizia

Here inizi is the present subjunctive of iniziare.

The idea is that the action after prima che is still not yet realized from the speaker's point of view:
I photograph the inlay before the home delivery begins.

Inizi is the present subjunctive, 3rd person singular, of iniziare.

Its subject is la consegna a domicilio, which is singular:

• che inizi la consegna a domicilio = that the home delivery begin

So the verb is singular because la consegna is singular.

Because prima di + infinitive is usually used when the subject is the same in both parts of the sentence.

For example:

• Fotografo l'intarsio prima di uscire. = I photograph the inlay before leaving.

  In that sentence, I am the one who photographs and I am also the one who leaves.

But in your sentence, the subjects are different:

• fotografo → subject = I
• inizi la consegna a domicilio → subject = the home delivery

Since the subject changes, Italian uses:

• prima che + subjunctive

A domicilio means to the home, at home, or more naturally in English, home delivery / delivery to your home.

So:

• consegna a domicilio = home delivery

This is a very common fixed expression in Italian, especially for shops, restaurants, pharmacies, and services.

Examples:

• Facciamo consegne a domicilio. = We do home deliveries.
• servizio a domicilio = home service

The article la makes it refer to a specific delivery or a specific delivery process/event, not just the general concept of delivery.

Compare:

• consegna a domicilio = home delivery in general
• la consegna a domicilio = the home delivery, a particular one

So in your sentence, it sounds like the speaker is referring to a specific delivery event that is about to start.

The subject of inizi is not hidden here — it is la consegna a domicilio, which comes after the verb.

Italian often allows the subject to appear after the verb, especially in subordinate clauses.

So the structure is:

• prima che inizi la consegna a domicilio
• literally: before begins the home delivery

In natural English, we say:

• before the home delivery begins

Yes. In Italian, the present tense is often used not only for what is happening now, but also for:

• habits
• scheduled actions
• near-future events

So fotografo and inizi can describe something that happens regularly or something planned.

Depending on context, the sentence could mean:

• I photograph the inlay before the home delivery begins
  or
• I'll photograph the inlay before the home delivery begins

Italian often leaves that distinction to context.

Yes. You can also say:

• Prima che inizi la consegna a domicilio, fotografo l'intarsio.

This means the same thing.

Italian is fairly flexible with word order, and both versions are correct. The original version is perfectly natural, but putting the time clause first can give it a little more emphasis.