Begitu urusan di kantor beres, saya langsung pulang.

In this sentence, begitu means as soon as or once.

So Begitu urusan di kantor beres, saya langsung pulang means:

As soon as the business/matters at the office were finished, I went straight home.

This is a very common use of begitu at the beginning of a clause:

• Begitu sampai rumah, saya mandi. = As soon as I got home, I took a shower.
• Begitu dia datang, kami mulai. = As soon as he arrived, we started.

So yes, begitu can mean different things depending on context, and here it functions as a time connector.

Because Indonesian often omits things that are understood from context.

In English, you might expect something like:

• As soon as my work at the office was finished...
• As soon as I finished my business at the office...

But Indonesian does not always need to state I in the first clause if the meaning is already clear.

Here, urusan di kantor beres literally means something like:

• the matters/work at the office were done
• the office business was settled

The second clause has the subject clearly:

• saya langsung pulang = I went straight home

That is enough for the whole sentence to make sense.

Urusan is a broad word. It can mean:

• matter
• business
• affair
• task
• thing that needs to be dealt with

In urusan di kantor, it refers to whatever work or business had to be handled at the office.

So depending on context, you could understand it as:

• my work at the office
• my business at the office
• the matters at the office

It is intentionally a little general.

Examples:

• Saya masih punya urusan. = I still have something to take care of.
• Itu bukan urusan saya. = That is not my business / not my concern.

Because di means in / at, while ke means to.

Here, the sentence is talking about where the urusan happened:

• urusan di kantor = matters at the office

It is not talking about movement toward the office.

Compare:

• di kantor = at the office
• ke kantor = to the office

Examples:

• Saya bekerja di kantor. = I work at the office.
• Saya pergi ke kantor. = I go to the office.

It behaves a lot like an adjective, but in English it is often translated with a verbal idea such as finished, done, or settled.

In urusan di kantor beres, beres means:

• finished
• completed
• taken care of
• settled

Indonesian often uses words like this without a separate verb to be.

So:

• Urusan di kantor beres literally looks like Office matters finished
• Natural English: The matters at the office were finished / taken care of

Examples:

• Sudah beres. = It’s finished / It’s all taken care of.
• Pekerjaannya belum beres. = The work is not finished yet.

Yes, often you can.

• Begitu urusan di kantor selesai, saya langsung pulang.

This would also sound natural and means almost the same thing.

A small difference:

• selesai is a very common neutral word for finished
• beres often adds a sense of properly dealt with / sorted out / all taken care of

So beres can feel slightly more like everything is in order now.

In many everyday situations, though, the two are close.

Langsung means immediately, right away, or straight.

So:

• saya langsung pulang = I went straight home / I immediately went home

It shows there was no delay and probably no other stop in between.

Compare:

• Saya pulang. = I went home.
• Saya langsung pulang. = I went straight home / I went home right away.

Examples:

• Dia langsung makan. = He ate immediately.
• Setelah rapat, kami langsung pergi. = After the meeting, we left right away.

Because Indonesian often does not need an extra word there.

The structure already makes the sequence clear:

• Begitu X, Y = As soon as X, Y

So:

• Begitu urusan di kantor beres, saya langsung pulang already means
• As soon as the office matters were done, I went straight home

You do not need a separate then.

If you translated too literally from English, you might want to add something, but in natural Indonesian this sentence is complete as it is.

Not explicitly.

Indonesian does not mark tense the way English does. The sentence itself does not have a special past verb form.

So pulang, beres, and the whole sentence can be understood as past, present, or future depending on context.

In this sentence, people usually interpret it as past because the whole event sounds completed:

• As soon as the office business was done, I went straight home.

But in another context it could also describe a habit or future plan:

• Begitu urusan di kantor beres, saya langsung pulang. = As soon as my work at the office is done, I’ll go straight home.

Time in Indonesian is often understood from context or from time words such as:

• kemarin = yesterday
• tadi = earlier
• besok = tomorrow
• nanti = later

The comma separates the time clause from the main clause.

The structure is:

• Begitu urusan di kantor beres = subordinate clause
• saya langsung pulang = main clause

This is similar to English:

• As soon as the work at the office was done, I went straight home.

The comma helps readability, especially when the time clause comes first.

In informal writing, people may sometimes leave punctuation out, but with standard writing, the comma is a good choice here.

Yes.

A natural alternative is:

• Saya langsung pulang begitu urusan di kantor beres.

This means the same thing:

• I went straight home as soon as the office matters were finished.

The original version puts emphasis first on the time condition:

• Begitu urusan di kantor beres, ...

The rearranged version starts with the main action:

• Saya langsung pulang ...

Both are grammatical and natural.

It is natural everyday Indonesian and fairly neutral.

Words like:

• urusan
• kantor
• beres
• langsung pulang

are all very common.

A few style notes:

• beres is everyday and conversational, but still perfectly normal
• selesai may sound a little more neutral or slightly more formal in some contexts

So this sentence is not slang, but it also does not sound stiff or overly formal.

Not exactly. Pulang specifically means go home or return home.

So:

• saya langsung pulang = I went straight home

You should not translate it as only I went, because pulang already contains the idea of going back home.

Compare:

• Saya pergi. = I went / I am leaving.
• Saya pulang. = I went home / I’m going home.

This is an important word in Indonesian because it is very specific and very common.