Guarda dritto davanti a te.

Here guarda is the informal singular command of guardare: Look!

So the sentence is directed at one person you would address as tu.

A useful detail: guarda also looks identical to the present tense form meaning he/she looks or you look in some contexts, but here the meaning is clearly a command because of the sentence as a whole.

Examples:

• Guarda! = Look!
• Marco guarda la TV. = Marco watches TV.

Because Italian usually drops subject pronouns when they are already clear from the verb form or the context.

So:

• Guarda dritto davanti a te. naturally means
• You, look straight ahead.

If you add tu, it gives extra emphasis, contrast, or impatience:

• Tu guarda dritto davanti a te.

That can sound like:

• You look straight ahead.
• You, keep your eyes forward.

Because Italian makes the same distinction English does between look and see.

• guardare = to look at, to watch, to direct your eyes intentionally
• vedere = to see, to perceive with your eyes

In this sentence, the speaker is telling someone to direct their gaze somewhere, so guardare is the natural verb.

So:

• Guarda davanti a te = Look in front of you not
• Vedi davanti a te, which would sound odd in this context

Here dritto means straight or straight ahead.

It adds the idea that the person should not look to the sides, down, or around. It is very similar to English straight in:

• Look straight ahead

Even though dritto is basically an adjective in other contexts, in sentences like this it works naturally in an adverb-like way.

Examples:

• Vai dritto. = Go straight.
• Stai dritto. = Stand up straight.
• Guarda dritto. = Look straight ahead / Look straight

Davanti a te means in front of you.

Breakdown:

• davanti = in front
• a te = of you / to you in this fixed expression, giving in front of you

So the whole phrase tells the person where to direct their gaze:

• davanti a te = in front of you

It is a very common pattern:

• davanti a me = in front of me
• davanti a lui = in front of him
• davanti a noi = in front of us

Because davanti normally takes the preposition a before a noun or pronoun.

So you say:

• davanti a te
• davanti a casa
• davanti al negozio

Not:

• davanti te

This is just the standard construction:

• davanti a + noun/pronoun

Yes, absolutely. Guarda avanti is also natural and common.

The difference is small:

• Guarda avanti = Look ahead / Look forward
• Guarda davanti a te = Look in front of you
• Guarda dritto davanti a te = Look straight ahead / Look straight in front of you

So davanti a te is a bit more explicit and spatial, while avanti is a little shorter and more general.

Sometimes yes, depending on context, but the meaning changes slightly.

Compare:

• Guarda dritto. = Look straight ahead.
• Guarda davanti. = Look in front.
• Guarda davanti a te. = Look in front of you.

With a te, the sentence is more precise: it specifies the area directly in front of the person.

Without it, the phrase can still work, but it may sound less explicit or depend more on the situation.

Often, yes, in the sense of straight.

In everyday Italian, dritto is very common when talking about physical direction or position:

• vai dritto = go straight
• stare dritto = stand straight

Diritto can also mean straight, but it has other very common meanings too, such as:

• right
• law

Examples:

• diritto civile = civil law
• avere il diritto di... = to have the right to...

So in this sentence, dritto sounds very natural and avoids any possible ambiguity.

Because Italian often places these short direction expressions in a natural spoken order after the verb.

So:

• Guarda dritto davanti a te

has the feel of:

• Look straight, in front of you which English usually compresses into:
• Look straight ahead

You could also hear simpler versions such as:

• Guarda davanti a te
• Guarda dritto

But the full sentence combines both ideas:

• dritto = straight
• davanti a te = in front of you

Good question, because guarda is only for informal singular.

Other versions:

• Guardi dritto davanti a sé. = formal singular
• Guardate dritto davanti a voi. = informal plural
• Guardino dritto davanti a sé / davanti a loro. = formal plural

The most useful contrasts are:

• Guarda dritto davanti a te. = talk to one person informally
• Guardi dritto davanti a sé. = talk to one person formally
• Guardate dritto davanti a voi. = talk to more than one person

Yes. It sounds natural, especially as an instruction.

You might hear it:

• from a driving instructor
• from a parent
• from a coach
• from a doctor during an eye test
• from someone telling you not to get distracted

Very natural alternatives would also be:

• Guarda avanti.
• Guarda dritto.
• Guarda davanti a te.

The full version Guarda dritto davanti a te is clear, idiomatic, and easy to understand.