Der Entschädigungsbetrag steht im Brief.

Entschädigungsbetrag is a compound noun, which is very common in German.

It is made of:

• Entschädigung = compensation
• Betrag = amount, sum

So Entschädigungsbetrag literally means compensation amount.

German often joins nouns into one word where English would usually use several words.

The noun is der Entschädigungsbetrag because the final part of the compound is Betrag, and Betrag is masculine: der Betrag.

In German compound nouns, the last part usually determines the gender of the whole word.

So:

• der Betrag
• therefore der Entschädigungsbetrag

Because der Entschädigungsbetrag is the subject of the sentence, so it is in the nominative case.

The sentence structure is:

• Der Entschädigungsbetrag = subject
• steht = verb
• im Brief = location

So the article stays der because this is the basic dictionary form for a masculine noun in the nominative.

Literally, yes: stehen usually means to stand.

But in this sentence, steht is being used in a common extended sense:

• Es steht im Brief. = It is written in the letter.
• Der Name steht auf der Liste. = The name is on the list / written on the list.

So here steht means something like:

• is written
• appears
• is stated

This is a very natural use of stehen in German.

Im is a contraction of in dem:

• in dem Brief → im Brief

This is the normal form here.

Also, Brief is masculine:

• der Brief

After in with a location meaning, German uses the dative case:

• dem Brief

So:

• in dem Brief
• contracted: im Brief

Because in is a two-way preposition (Wechselpräposition). It can take:

• accusative for movement toward somewhere
• dative for location

Here there is no movement. The information is located in the letter.

So:

• im Brief = in the letter → dative

Compare:

• Es steht im Brief. = It is in the letter. → location, dative
• Ich lege den Zettel in den Brief. = I put the note into the letter/envelope. → movement, accusative

Yes. In dem Brief is grammatically correct.

But im Brief is much more natural in normal German because contractions like this are very common:

• in dem → im
• an dem → am
• zu dem → zum
• zu der → zur

Using in dem Brief may sound slightly more formal or more emphasized, depending on context.

German main clauses usually follow the verb-second rule.

In this sentence:

• Der Entschädigungsbetrag = position 1
• steht = position 2
• im Brief = the rest

So the pattern is: Subject + verb + other information

You could also move another element to the front, but the verb still stays second:

• Im Brief steht der Entschädigungsbetrag.

That version puts more emphasis on im Brief.

Yes, absolutely. That is also correct German.

Both are grammatical:

• Der Entschädigungsbetrag steht im Brief.
• Im Brief steht der Entschädigungsbetrag.

The difference is mainly emphasis:

• Der Entschädigungsbetrag ... focuses more on the compensation amount
• Im Brief ... focuses more on where the information appears

In German, all nouns are capitalized.

So in this sentence:

• Entschädigungsbetrag is a noun
• Brief is a noun

That is why they begin with capital letters.

This is a standard rule in German spelling.

In German, der Brief means letter.

It is a false friend for English speakers, because English brief usually means:

• short
• a summary
• a legal case document

German Brief does not normally mean those things. In this sentence, it simply means letter.

It is understandable and correct, but it sounds a bit formal or administrative.

You are likely to see it in:

• insurance letters
• legal documents
• official correspondence
• compensation claims

In more everyday language, Germans might sometimes use simpler wording depending on the context, but in official writing a compound like Entschädigungsbetrag is very natural.