choyeon jeone yeonchulgaga sopumgwa dongseoneul hwaginhaesseo.

초연 means the first public performance of a play, musical, opera, or similar work. In English, it is often translated as premiere.

So in this sentence, 초연 전에 means before the premiere or before the first performance.

전 means before, and 전에 is the form you often see when it functions like before in a sentence.

In 초연 전에:

• 초연 = premiere
• 전 = before
• 에 helps make it work as a time expression

So 초연 전에 means before the premiere.

A useful pattern is:

• noun + 전에 = before a noun
  
  • 식사 전에 = before the meal
  • 공연 전에 = before the performance

You may also see 전 by itself in some expressions, but 전에 is the most common form in sentences like this.

연출가 means director, especially someone responsible for the staging and artistic presentation of a performance.

In theater, 연출가 is a very natural word for a stage director. It emphasizes the person who plans and directs how the performance is presented.

It is similar to director, but depending on context:

• 연출가 is especially common in theater and performance
• 감독 is also translated as director, but is often more common for film, sports coaching, and some other contexts

So for a stage performance, 연출가 is a very fitting word.

The 가 is the subject marker.

• 연출가가 = the director as the subject of the sentence

In this sentence, the director is the one who did the action of checking, so 가 marks that noun as the subject.

A learner-friendly way to think of it is:

• 누가 확인했어? = Who checked?
• 연출가가 = The director did

You could sometimes see 연출가는 instead if the speaker wanted to mark it as the topic, but 연출가가 is perfectly natural when simply identifying the subject.

In a theater context, 소품 means props.

These are small objects used on stage, such as:

• a book
• a cup
• a letter
• a cane

So 소품 here does not mean just any small item in general conversation. In this sentence, it specifically refers to stage props.

That is a very good question, because 동선 is a specialized word.

In performance contexts, 동선 refers to the movement route or movement pattern of performers on stage. In natural English, depending on context, it might be translated as:

• blocking
• stage movement
• movement path
• positions and movement on stage

So 동선을 확인했어 means the director checked how people would move on stage, where they would go, and whether those movements were correct or ready.

In Korean, when two nouns are joined with 과/와 meaning and, it is very common for only the last noun in the whole phrase to take the object marker.

So:

• 소품과 동선을 확인했어 = checked the props and the blocking

Here, 을/를 applies to the whole combined object phrase:

• 소품과 동선 = props and blocking
• 소품과 동선을 = props and blocking as the object

This is completely normal Korean grammar.

You could think of it like:

• [소품과 동선]을 확인했어

The marker belongs to the whole phrase, not just to 동선 alone.

Yes, other connectors are possible, but they differ in style.

• 과 / 와 = more formal or neutral written style
• 하고 = common in speech, more conversational
• (이)랑 = casual spoken style

Because 소품 ends in a consonant, 과 is used:

• 소품과
• if it ended in a vowel, you would use 와

So these are possible in different styles:

• 소품과 동선을 확인했어 = neutral/formal-ish wording
• 소품하고 동선을 확인했어 = more conversational
• 소품이랑 동선을 확인했어 = casual spoken style

The original sentence mixes a casual ending (했어) with somewhat neutral vocabulary and connector choice, which is very natural in real Korean.

확인하다 means to check, to confirm, or to verify.

So 확인했어 can mean:

• checked
• confirmed
• made sure of

In this sentence, it suggests the director made sure that:

• the props were ready or correct
• the stage movement/blocking was correct or settled

So checked is a good translation, but confirmed may also fit depending on the context.

Yes. 했어 is the casual/informal past form.

The dictionary form is:

• 확인하다 = to check/confirm

Past tense:

• 확인했어 = casual
• 확인했어요 = polite
• 확인했습니다 = formal

So the sentence could be changed by speech level:

• 초연 전에 연출가가 소품과 동선을 확인했어.
  casual

• 초연 전에 연출가가 소품과 동선을 확인했어요.
  polite everyday speech

• 초연 전에 연출가가 소품과 동선을 확인했습니다.
  formal

The meaning stays the same; only the level of politeness changes.

Korean word order is flexible as long as the particles make the roles clear.

The original order is very natural:

• 초연 전에 = time expression
• 연출가가 = subject
• 소품과 동선을 = object
• 확인했어 = verb

You could also say:

• 연출가가 초연 전에 소품과 동선을 확인했어.

This still means the same thing.

That said, the original order sounds natural because Korean often puts time expressions near the beginning of the sentence.

Yes, 동선 can also be used more broadly to mean a route of movement or traffic flow.

For example, it can be used when talking about:

• movement through a building
• customer flow in a store
• efficient movement in a workspace

But in this sentence, because of 초연, 연출가, and 소품, the theater meaning is clearly intended. So here 동선 is best understood as stage movement/blocking.