Because nuut comes after the verb is.
In Afrikaans, adjectives usually have:
So:
This is a very common pattern in Afrikaans:
So nuut is correct here because it is a predicate adjective, not an attributive adjective.
Mostly yes. It is the present-tense form of wees (to be).
A useful thing for learners is that Afrikaans does not change this verb for different persons in the present tense:
So Afrikaans is simpler than English here. You do not need to learn forms like am / is / are.
Band can mean different things depending on context. Common meanings include:
So the grammar of the sentence is clear, but the exact meaning of band depends on the situation.
For example:
Nuut has a long vowel sound that does not match ordinary English spelling very well.
A rough guide:
If that sound is unfamiliar, a rough approximation is to say something like neet while rounding your lips more.
So the whole sentence is roughly:
That is only an approximation, but it helps as a starting point.