La acotación indica la salida de escena y el telón.

La is the definite article, so it refers to a specific stage direction that is already known from the context.

• La acotación = the stage direction
• Una acotación = a stage direction

If you are talking about one particular line in a script, la is the natural choice.

Spanish often uses the present simple to describe what a text, sign, note, or stage direction says or shows.

So La acotación indica... is like saying:

• The stage direction indicates...
• The stage direction says...
• The stage direction shows...

This is very normal in both Spanish and English when talking about written material.

La salida de escena means the exit from the stage or the character leaving the stage.

In theatre language:

• salida = exit
• de escena = from the scene / from the stage area, in a theatrical sense

So the phrase refers to a performer’s departure from the stage, not just any kind of exit.

Because salida de escena is a very natural theatrical expression.

There is a slight difference in feel:

• salida de escena = more theatrical / script-like / conventional
• salida del escenario = more literal, physically leaving the stage

Both can be understood, but de escena sounds more idiomatic in drama-related language.

Spanish often leaves out the article in fixed or semi-fixed expressions, especially in formal or technical language.

So salida de escena works like a set phrase. It is similar to how Spanish often says:

• clase de español
• cambio de tema
• final de temporada

You could imagine de la escena in some contexts, but here de escena is the more natural theatrical expression.

El telón means the curtain, specifically the theatre curtain.

In a stage context, it usually refers to the large curtain at the front of the stage. So this sentence is talking about theatrical actions or instructions, not an ordinary household curtain.

Because el telón is a separate noun phrase joined by y.

Spanish often repeats the article when listing two things:

• la salida de escena y el telón

This is normal and natural. It helps show that these are two separate elements being referred to.

Yes, it is understandable, but it does sound a little compressed or elliptical. The idea is that the stage direction indicates both:

• the exit from the stage
• the curtain / what happens with the curtain

In very explicit Spanish, you might also see something like:

• La acotación indica la salida de escena y la bajada del telón.

That version makes the second part more specific: the lowering of the curtain.

So the original sentence is not wrong, but it is somewhat concise.

Usually indica here is better translated as indicates, shows, or states, rather than means.

• indicar = to indicate / point out / state
• significar = to mean

So if you are talking about what a stage direction tells the reader, indica is the right verb.

Yes, very much so. Several words in it point strongly to the world of theatre:

• acotación = stage direction
• salida de escena = exit from the stage
• telón = theatre curtain

So even without more context, a Spanish speaker would probably interpret this as a sentence about a play script or stage instructions.

It is pronounced roughly a-co-ta-CIÓN, with the stress on the last syllable.

The written accent in -ción shows where the stress goes:

• acotación

That final stressed syllable is very common in Spanish nouns ending in -ción.