A lakógyűlés holnap lesz, és a jegyzőkönyv részletes lesz.

A means the. Hungarian has no grammatical gender, so the same article is used for masculine, feminine, and neuter nouns.

Hungarian uses:

• a before a consonant sound
• az before a vowel sound

So:

• a lakógyűlés
• a jegyzőkönyv

both take a because lakógyűlés and jegyzőkönyv begin with consonant sounds.

Yes, it is one compound word, which is very common in Hungarian.

It is made from:

• lakó = resident, inhabitant
• gyűlés = meeting, assembly

So lakógyűlés is literally something like residents’ meeting or tenants’ meeting. Hungarian often writes this kind of compound as a single word where English would usually use two words or a phrase.

Jegyzőkönyv is an official written record of what was said or decided at a meeting. In English, this is usually translated as minutes or sometimes record/protocol, depending on context.

A useful thing to notice is that Hungarian uses a singular noun here:

• a jegyzőkönyv

But English often uses the plural the minutes. So the grammar does not match word-for-word between the two languages.

Lesz is the future form of van = to be.

So:

• van = is
• lesz = will be

Because the sentence talks about the future:

• holnap = tomorrow
• részletes lesz = will be detailed

Hungarian often uses the present tense to talk about the future with many verbs, but for to be, lesz is the normal future form.

Because the sentence contains two separate clauses joined by és = and:

• A lakógyűlés holnap lesz
• a jegyzőkönyv részletes lesz

Each clause has its own predicate, so each one normally has its own verb. Repeating lesz is the natural, complete way to say it.

English sometimes avoids repetition more easily, but Hungarian often keeps the verb in both parts when the clauses are fully stated.

This is a normal Hungarian word order. Time expressions often come before the verb in a neutral sentence.

So:

• A lakógyűlés holnap lesz.

is a straightforward way to say The residents’ meeting will be tomorrow.

Hungarian word order is fairly flexible, but changes in order often change emphasis. For example:

• Holnap lesz a lakógyűlés.

puts more focus on tomorrow.

In a neutral sentence, the adjective usually comes before lesz:

• A jegyzőkönyv részletes lesz.

This simply means The minutes will be detailed.

If you say:

• A jegyzőkönyv lesz részletes

that sounds marked or contrastive, as if you are emphasizing that it is the minutes that will be detailed, not something else. So it is possible in the right context, but it is not the neutral version.

Often, no. In the 3rd person singular present tense, Hungarian usually leaves out van when the predicate is a noun or adjective.

So:

• A jegyzőkönyv részletes. = The minutes are detailed.

not usually:

• A jegyzőkönyv részletes van. ✘

But in the future tense, you do use lesz:

• A jegyzőkönyv részletes lesz.

This is a very important pattern in Hungarian.

These are sounds English speakers often need to practice:

• gy in gyűlés: a soft consonant, somewhat like the d in British-style during, or a softened dy sound
• ny in jegyzőkönyv: like Spanish ñ or the ny in canyon
• ő: a long rounded vowel, similar to German ö
• ű: a long rounded vowel, similar to German ü

Also remember that Hungarian stress is normally on the first syllable of each word:

• LA-kó-gyű-lés
• JEGY-ző-könyv
• RÉSZ-le-tes

No. Hungarian adjectives do not agree with nouns for gender, and in this kind of sentence they do not change form for singular/plural either.

So részletes stays részletes.

That is much simpler than in many European languages. The important agreement here is in the verb:

• a jegyzőkönyv is singular
• so the verb is singular: lesz

If the subject were plural, the verb would change, but the adjective would still usually stay the same in this position.