O estádio tem arquibancadas para toda a torcida.

Estádio is a masculine singular noun, so the definite article is o. Portuguese uses articles more often than English does, so o estádio is a very natural way to say the stadium.

• o = the, for masculine singular nouns
• estádio = stadium

You can sometimes omit the article in certain contexts, but here o estádio is the normal, natural form.

Tem is the he/she/it form of the verb ter, which usually means to have.

So:

• o estádio tem = the stadium has

Because o estádio is singular, you use tem, not têm.

A quick comparison:

• O estádio tem = The stadium has
• Os estádios têm = The stadiums have

The accent mark shows the stressed syllable and helps with pronunciation.

Estádio is pronounced with the stress on tá:

• es-TÁ-dio

Without the accent, Portuguese spelling rules would suggest a different stress pattern. So the accent is important both for correct pronunciation and correct spelling.

Arquibancadas means stands or bleachers in a stadium.

The singular is:

• arquibancada = stand / bleacher section

The plural is:

• arquibancadas = stands / bleachers

In Brazilian Portuguese, this word usually refers to the seating or standing areas where spectators watch the game.

It is plural because a stadium typically has multiple seating sections or stands, and Portuguese often refers to them in the plural.

So tem arquibancadas means something like:

• has stands
• has bleachers
• has seating areas for spectators

Using the plural sounds natural here.

Here, para means for in the sense of intended for, meant for, or with enough space for.

So:

• arquibancadas para toda a torcida = stands for all the fans / stands for the whole crowd

It does not mean movement here. It shows purpose or capacity.

In Portuguese, todo/toda is very often used with a definite article when you mean the whole or the entire.

So:

• toda a torcida = the whole crowd / all the supporters

This structure is very common:

• todo o dia = the whole day / every day
• toda a cidade = the whole city
• toda a torcida = the whole fan base / all the fans

Without the article, toda torcida can sometimes appear, but toda a torcida is the most standard and natural form here.

Because torcida is a feminine noun.

In Portuguese, words like todo/toda must agree with the noun they describe:

• todo o estádio = the whole stadium
• toda a torcida = the whole crowd / all the supporters

So the agreement is:

• torcida = feminine singular
• toda = feminine singular form of all / whole

More or less, yes. Torcida refers to the supporters of a team, often as a group or crowd.

Depending on context, it can mean:

• fans
• supporters
• the crowd
• the fan base

It is often treated as a collective singular noun in Portuguese. That is why toda a torcida can mean all the fans even though torcida itself is singular.

Because torcida is a collective noun. It is grammatically singular, but it refers to a group of people.

English does this too sometimes with words like:

• the crowd
• the audience
• the team

So:

• a torcida = the supporters / the crowd
• toda a torcida = the whole crowd / all the supporters

If you used a plural noun instead, the sentence would be built differently.

Yes. Both are reasonable translations.

A few natural possibilities are:

• The stadium has stands for all the supporters.
• The stadium has bleachers for the whole crowd.
• The stadium has seating for all the fans.

The best English version depends on context:

• arquibancadas can be stands, bleachers, or sometimes seating
• torcida can be fans, supporters, or crowd

In this sentence, it is literally to have:

• O estádio tem arquibancadas = The stadium has stands

Brazilian Portuguese does sometimes use tem informally where English would say there is/there are, but that is not what is happening here. The subject is clearly the stadium, and the meaning is that the stadium possesses or contains those stands.