jwaseok baechido-eseo jijeongseogeul chajasseo.

좌석 배치도에서 means on the seating chart or more literally from the seating layout/map.

Here, 에서 marks the place where an action happens. Since 찾았어 means found/looked for and found, the sentence is treating the seating chart as the place in which the speaker found the reserved seat.

A helpful contrast:

• 에 often marks a destination or location of existence.
• 에서 often marks the place where an action occurs.

So:

• 좌석 배치도에 지정석이 있어. = The reserved seat is on the seating chart.
• 좌석 배치도에서 지정석을 찾았어. = I found the reserved seat on the seating chart.

In English we might say on the chart, but Korean uses 에서 because the chart is the place where the action of finding happens.

배치도 means a layout diagram, arrangement chart, or map showing placement.

It is made from:

• 배치 = arrangement, placement
• 도 = diagram, chart, map

So 좌석 배치도 is a seat layout chart, seating map, or seating chart.

You will see 배치도 in many contexts, for example:

• 교실 배치도 = classroom layout
• 전시장 배치도 = exhibition hall map/layout
• 가구 배치도 = furniture arrangement plan

을/를 marks the direct object of the verb.

In this sentence, the thing being found is 지정석 (reserved seat / assigned seat), so it takes the object marker:

• 지정석을 찾았어 = found the reserved seat

Because 지정석 ends in a consonant, it uses 을 rather than 를.

Quick rule:

• consonant ending + 을
• vowel ending + 를

For example:

• 책을 찾았어 = found the book
• 의자를 찾았어 = found the chair

지정석 means a reserved seat, assigned seat, or designated seat.

It is made from:

• 지정 = designation, assignment
• 석 = seat

So it refers to a seat that has already been assigned or reserved for someone.

A useful contrast:

• 지정석 = assigned/reserved seat
• 자유석 = unreserved seating / free seating

So if you are at a theater, concert hall, or on transportation, 지정석 is the seat number you are supposed to use.

All three come from the verb 찾다 (to find / to look for), but they differ in speech level.

• 찾았어 = casual, informal
• 찾았어요 = polite everyday speech
• 찾았다 = plain style; often used in writing, narration, diaries, or a firm statement

So:

• 좌석 배치도에서 지정석을 찾았어.
  casual: I found the reserved seat on the seating chart.

• 좌석 배치도에서 지정석을 찾았어요.
  polite version

• 좌석 배치도에서 지정석을 찾았다.
  more written/narrative/plain

A learner should notice that -았어 shows both:

1. past tense
2. informal speech level

It comes from the verb stem 찾- plus the past-tense ending.

Step by step:

• dictionary form: 찾다
• stem: 찾-
• past tense informal ending: -았어
• result: 찾았어

Why -았어 and not -었어?
Because the stem vowel is ㅏ, and verbs with ㅏ or ㅗ usually take -았- in the past.

Examples:

• 찾다 → 찾았어
• 가다 → 갔어
• 보다 → 봤어

Yes, very likely.

Korean often leaves out the subject when it is understood from context. In this sentence, the subject could be:

• 나(는) = I
• 우리는 = we
• 그가/그녀가 = he/she

depending on the situation.

So the full sentence could be something like:

• 나는 좌석 배치도에서 지정석을 찾았어. = I found the reserved seat on the seating chart.

But in natural Korean, if it is obvious who is speaking or acting, the subject is usually omitted.

That is very normal and very common.

It can mean both, depending on context.

Common uses:

• 찾다 = to look for
• 찾다 = to find

In this sentence, because it is in the past tense and the meaning is already given, 찾았어 is naturally understood as found.

Compare:

• 지정석을 찾아.
  could mean I’m looking for the reserved seat or Find the reserved seat, depending on context

• 지정석을 찾았어.
  usually means I found the reserved seat

Korean often relies on context more than English here.

Both orders are possible in Korean, because Korean word order is relatively flexible compared with English.

The most neutral order here is:

• 좌석 배치도에서 지정석을 찾았어.

This flows like: At/on the seating chart, the reserved seat, found.

But you could also say:

• 지정석을 좌석 배치도에서 찾았어.

That version puts a little more focus on the reserved seat.

In Korean, particles like 에서 and 을 show each word’s role, so changing the order usually changes emphasis more than basic meaning.

Yes.

Korean often does not explicitly say my, your, his, etc. if it is obvious from context.

So 지정석을 찾았어 could naturally be understood as:

• I found my assigned seat
• I found the assigned seat
• I found our reserved seat

depending on the situation.

Korean tends to omit information that English often includes if the listener can already infer it.

The most natural polite version is:

좌석 배치도에서 지정석을 찾았어요.

That is the same sentence, just with the polite ending -어요 instead of casual -어.

Comparison:

• 찾았어 = casual
• 찾았어요 = polite

If you are speaking to someone you do not know well, an elder, a customer, or in most normal public situations, 찾았어요 is safer.

The sentence follows this pattern:

[place where action happens] + [object] + [verb]

So here:

• 좌석 배치도에서 = in/on the seating chart
• 지정석을 = the reserved seat
• 찾았어 = found

This is a very common Korean structure:

• 도서관에서 책을 읽었어. = I read a book at the library.
• 가게에서 우산을 샀어. = I bought an umbrella at the store.
• 지도에서 길을 찾았어. = I found the way on the map.

So this sentence is a good example of a standard Korean pattern: place + object + verb.