A visita trouxe um presente para minha mãe.

In this sentence, a visita most naturally means the visitor or the guest.

In Brazilian Portuguese, visita can refer to:

• the visit itself
• the visitor / guest

So in real usage, a visita chegou often means the visitor arrived, not the visit arrived.

In A visita trouxe um presente para minha mãe, the idea is that a person brought the gift, so the visitor is the natural reading.

Here, a is the definite article, meaning the.

• a visita = the visitor / the visit
• uma visita = a visitor / a visit

It is not the preposition to here. It is just the feminine singular article because visita is a feminine noun.

Because visita is a feminine noun in Portuguese, so it normally takes feminine articles and adjectives:

• a visita
• uma visita
• a visita simpática

This is grammatical gender, so it does not necessarily tell you the real gender of the person. Even if the visitor is male, Portuguese can still use a visita when the word means guest/visitor.

Trouxe is the preterite form of trazer (to bring).

In this sentence, it means brought.

So:

• trazer = to bring
• trouxe = brought

This is the 3rd person singular preterite, so it can mean:

• he brought
• she brought
• it brought
• you brought (formal você)

Here it matches a visita, so: the visitor brought.

Because trazer is an irregular verb.

Its preterite forms are:

• eu trouxe
• você/ele/ela trouxe
• nós trouxemos
• vocês/eles/elas trouxeram

So trouxe just has to be learned as part of the verb’s irregular pattern.

A useful tip: trazer has a past form pattern similar to dizer:

• trazer → trouxe
• dizer → disse

Portuguese often omits subject pronouns when the subject is already clear.

Here, a visita is the subject, so there is no need to add ela:

• A visita trouxe um presente... = normal
• A visita, ela trouxe um presente... = possible in some contexts, but not the neutral default

Portuguese does this much more than English.

Yes, here presente is a noun meaning gift.

Portuguese presente can be:

• a noun: gift
• an adjective: present, in attendance

In this sentence, um presente clearly means a gift, because it comes after the article um and is the thing that was brought.

Um is the indefinite article: a / an.
O is the definite article: the.

So:

• um presente = a gift
• o presente = the gift

The sentence uses um presente because it is introducing the gift as new information, not referring to a specific gift already known in the conversation.

Para minha mãe means for my mother or to my mother, depending on context.

Here it marks the recipient or intended person:

• um presente para minha mãe = a gift for my mother

With trazer, Portuguese commonly uses para to show who something is for.

In everyday Brazilian Portuguese, you may also hear the reduced spoken form:

• pra minha mãe

That is very common in speech, but para is the full standard form.

In Brazilian Portuguese, the article before a possessive is often optional in many contexts.

So both can be correct:

• para minha mãe
• para a minha mãe

Both sound natural in Brazilian Portuguese. The version without the article is very common, especially in simpler, direct sentences like this one.

This is one area where usage varies by region, style, and speaker.

Yes, that is possible, but the original order is more neutral and natural:

• A visita trouxe um presente para minha mãe.

This is the most straightforward order: subject + verb + object + recipient

You could also say:

• A visita trouxe para minha mãe um presente.

That is grammatical, but it can sound a little more marked or less neutral, depending on context.

Mãe has a nasal sound, roughly like maing but without a full g sound at the end.

The ã is a nasal vowel, which is very important in Portuguese pronunciation.

So:

• mãe sounds different from a plain mae
• the tilde (~) shows nasalization

This nasal vowel is one of the sounds English speakers often need extra practice with.

It is neutral standard Portuguese and works well in both speech and writing.

Nothing in it is especially formal or especially casual.

A more casual spoken Brazilian version might be:

• A visita trouxe um presente pra minha mãe.

But the original sentence is completely natural and standard.