Dit means it.
In this sentence, dit is a dummy subject, just like English it in It is very important. It does not refer to a specific object by itself; it simply fills the subject position.
Uiters means extremely, highly, or exceptionally.
It is an adverb that strengthens the adjective belangrik.
So:
A learner will often also see other intensifiers such as:
Uiters sounds a bit more formal or emphatic than baie.
There actually is a strengthening word here: uiters, meaning extremely.
As for an, Afrikaans does not use an article before predicate adjectives in this kind of sentence.
Compare:
You would not say Dit is 'n belangrik because belangrik is an adjective here, not a noun.
But if you used a noun, then an article could appear:
A simple learner-friendly guide would be:
A few notes:
If you cannot produce the Afrikaans g yet, learners are still usually understood if they use a softer sound at first.
Mostly, yes.
Is is the present tense of wees (to be) and works much like English is:
So if you already understand English is, this part is easy.
In standard Afrikaans, negation usually uses double negation:
This means:
Structure:
This is one of the most important grammar patterns in Afrikaans.
Not in a normal neutral statement.
The standard order is:
Afrikaans does allow different word orders in certain contexts, especially when another element is moved to the front for emphasis, but in a simple statement like this, the sentence you have is the natural form.
So for basic use, keep:
It is perfectly correct in both, but uiters makes it sound a little more formal, careful, or emphatic than everyday casual speech.
In casual conversation, many speakers would more often say:
But Dit is uiters belangrik is still natural and common, especially in writing, speeches, instructions, warnings, and formal explanation.