حالة الطلب في الرسالة.

Usually, no. It is most naturally a noun phrase or a heading/label, not a full sentence with a predicate.

Arabic often uses short noun phrases like this in menus, titles, forms, and headings. A full sentence would need extra information, for example:

• حالةُ الطلبِ في الرسالةِ واضحةٌ = The status of the request in the message is clear.

So by itself, حالة الطلب في الرسالة is best understood as a phrase.

This is an iḍāfa construction, often called a construct phrase.

It is made of:

• حالة = status/state
• الطلب = the request/order/application

Together, حالة الطلب means the status of the request.

In an iḍāfa:

• the first noun is the thing being described
• the second noun tells you what it belongs to or is connected to

So the pattern is:

• حالة الطلب = status of the request

Because in an iḍāfa, the first noun normally does not take الـ.

So Arabic says:

• حالة الطلب

not

• الحالة الطلب

The whole phrase becomes definite because the second noun, الطلب, is definite. In other words, حالة الطلب already means the status of the request.

A useful comparison:

• حالةُ طلبٍ = a status of a request / request status
• حالةُ الطلبِ = the status of the request

Because it is the second part of the iḍāfa.

In Arabic, the second noun in an iḍāfa is put in the genitive case. So in fully vocalized form, it would be:

• حالةُ الطلبِ

Here, الطلبِ has kasra because it is مضاف إليه.

Also, the first word حالة can change its case depending on its role in a larger sentence:

• حالةُ الطلبِ if nominative
• حالةَ الطلبِ if accusative
• حالةِ الطلبِ if genitive

In normal everyday writing, these short vowels are usually not written.

في الرسالة is a prepositional phrase meaning in the message/letter.

• في = in
• الرسالة = the message / the letter

This phrase gives extra information about where the request status appears or is found.

So the structure is:

• حالة الطلب = the status of the request
• في الرسالة = in the message

Together: the request status in the message.

Because it comes after the preposition في.

In Arabic, a preposition causes the following noun to be genitive, so in full vocalization you get:

• في الرسالةِ

This is a separate reason from the genitive on الطلبِ:

• الطلبِ is genitive because it is the second noun in an iḍāfa
• الرسالةِ is genitive because it comes after في

طلب has a wider range than just one English word. Depending on context, it can mean:

• request
• application
• order
• demand

In administrative, customer-service, or app/website contexts, الطلب often means something like request, application, or order.

So the exact best English word depends on the situation, even though the Arabic structure stays the same.

Two pronunciation points matter here.

First, both الطلب and الرسالة begin with sun letters, so the ل of الـ is not pronounced:

• الطلب is pronounced aṭ-ṭalab
• الرسالة is pronounced ar-risāla

Second, ة behaves differently depending on position:

• حالة by itself in pause sounds like ḥālah
• but before another word in an iḍāfa, it is pronounced with t, so you hear ḥālat...

A careful fully inflected reading inside a sentence could be:

• ḥālatu ṭ-ṭalabi fī r-risālati

In less formal pause-style pronunciation, learners often hear something closer to:

• ḥālat aṭ-ṭalab fī r-risālah

Yes, but Arabic usually leaves them unwritten.

The unvowelled form is:

• حالة الطلب في الرسالة

A fully vowelled version, if this phrase were nominative in a sentence, could be:

• حالةُ الطلبِ في الرسالةِ

Those endings show grammar, but native texts usually omit them because readers can recover them from context.

So learners should know that the grammar is there even when the writing does not show it.

That depends on which noun the adjective describes.

If the adjective describes حالة as the head of the whole phrase, it agrees with حالة, which is feminine singular:

• حالةُ الطلبِ واضحةٌ = The request status is clear

If the adjective describes الطلب, it comes after الطلب and agrees with that noun:

• حالةُ الطلبِ الجديدِ = the status of the new request

So Arabic word order helps show what the adjective belongs to.

Most naturally, it describes the whole idea: the status of the request as found in the message.

So the usual reading is:

• [حالة الطلب] [في الرسالة]
• the status of the request
  • in the message

In some contexts, Arabic phrases can be a little flexible, but here the most natural interpretation is that في الرسالة tells you where this status appears or where you are looking at it.