Il direttore dirige il coro durante l'audizione.

Because Italian usually uses definite articles more often than English.

• il direttore = the director / the conductor
• il coro = the choir

In this sentence, both nouns are specific:

• a specific director/conductor
• a specific choir

Also note:

• il is the masculine singular definite article used before many consonants.
• If the noun were feminine, you might get la instead.

Examples:

• il maestro
• il cantante
• la cantante

Yes. They come from the same idea of directing.

• direttore = director / conductor
• dirigere = to direct / to conduct
• dirige = he/she directs or he/she is directing

So in the sentence:

• Il direttore dirige il coro
• literally: The director directs the choir

In natural English, this is often better translated as:

• The conductor leads the choir

This is a good example of how Italian often uses related words where English may prefer different vocabulary.

Because dirige is a conjugated verb, while dirigere is the infinitive.

• dirigere = to direct
• dirige = he/she directs

The subject is il direttore, which is third-person singular, so the verb must match:

• il direttore dirige

This is the present tense of dirigere.

A few forms:

• io dirigo = I direct
• tu dirigi = you direct
• lui/lei dirige = he/she directs
• noi dirigiamo = we direct
• voi dirigete = you all direct
• loro dirigono = they direct

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

In English, you must usually say:

• He directs the choir

In Italian, the verb ending often already shows the subject, so the pronoun can be omitted:

• dirige already tells you it is he/she or a singular formal you

Since the sentence already has the subject noun il direttore, adding a pronoun would be unnecessary.

So:

• Il direttore dirige il coro = perfectly natural
• Lui dirige il coro = possible, but it puts extra emphasis on he

Because la becomes l' before a feminine singular noun starting with a vowel.

• la audizione → l'audizione

This is called elision.

Other examples:

• l'amica = the female friend
• l'acqua = the water
• l'idea = the idea

Since audizione is feminine singular and starts with a, you use:

• l'audizione

Durante means during.

So:

• durante l'audizione = during the audition

It introduces a time expression and is followed directly by a noun phrase.

Examples:

• durante la lezione = during the lesson
• durante il concerto = during the concert
• durante l'estate = during the summer

In your sentence, it tells you when the action happens.

Often, yes, but the exact meaning depends on context.

Audizione can mean:

• an audition for performers
• sometimes a hearing or formal listening session in other contexts

In a musical sentence like this one, audizione is very naturally understood as:

• audition
• possibly a musical tryout or performance evaluation

So the musical context helps determine the meaning.

Yes, Italian word order is somewhat flexible, although the original version is very normal.

Original:

• Il direttore dirige il coro durante l'audizione.

You could also say:

• Durante l'audizione, il direttore dirige il coro.

Both are correct. The second version emphasizes the time setting first.

What usually stays clear is:

• il direttore = subject
• dirige = verb
• il coro = object

Because of articles and verb forms, Italian can often move parts around more easily than English.

A big clue is the article:

• il direttore → masculine
• l'audizione → feminine

The noun endings help too, though they are not perfect rules:

• -ore nouns like direttore are usually masculine
• -zione nouns like audizione are usually feminine

So:

• il direttore
• l'audizione

This is useful because adjectives and articles must agree with the noun’s gender and number.

A simple pronunciation guide is:

• Il direttore dirige il coro durante l'audizione
• roughly: eel dee-ret-TO-re dee-REE-je eel KO-ro doo-RAN-te lau-dee-TSYO-ne

A few helpful points:

• direttore has stress on -to-: dee-ret-TO-re
• dirige is pronounced with a soft g: dee-REE-je
• coro = KO-ro
• audizione has a tsyo sound in -zione

Also, l'audizione is pronounced smoothly together, almost like one unit.