Ito ang abiso.

Ito means this and usually refers to something near the speaker.

Filipino commonly distinguishes three levels:

• ito = this (near me)
• iyan = that (near you)
• iyon = that over there (far from both of us)

So Ito ang abiso means you are identifying a notice that is close to the speaker, physically or mentally.

Ang is a very common Filipino marker. In this sentence, it marks abiso as the specific thing being identified.

So:

• ito = this
• ang abiso = the notice / the notice in question

A useful way to think about it is that ang often points to the noun phrase that is definite, specific, or treated as the topic. It is not exactly the same as English the, but in many simple translations it lines up that way.

Filipino often uses non-verbal sentences, especially for simple identification.

So instead of saying something literally like This is the notice with a separate verb is, Filipino can simply say:

Ito ang abiso.

This is completely normal and grammatical.
A very literal gloss would be something like:

This, the notice.

But natural English translation is This is the notice.

Yes. In Ito ang abiso, ito is functioning as a demonstrative pronoun because it stands by itself: this.

If you want this to directly modify notice, you would usually say:

• itong abiso
• ang abisong ito

Both mean this notice.

So compare:

• Ito ang abiso. = This is the notice.
• Itong abiso... = This notice...
• Ang abisong ito... = This notice...

That is a very common distinction for learners to notice.

Abiso usually means notice, advisory, or sometimes announcement, depending on context.

It is often used for things like:

• public notices
• written advisories
• warnings or official messages
• posted announcements

So in some situations, abiso may sound a little more formal or official than plain conversational English notice.

Depending on context, related words you may also see are:

• paunawa = notice, reminder, advisory
• anunsyo = announcement

But abiso is a perfectly normal and common word.

Yes, Ang abiso ay ito is grammatical.

The difference is mainly in focus and style:

• Ito ang abiso. = This is the notice.
• Ang abiso ay ito. = The notice is this one.

The version with ay is a common Filipino pattern when the topic is placed first. It can sound a bit more formal, deliberate, or contrastive, depending on context.

For a learner, the simplest takeaway is:

• Ito ang abiso is very natural.
• Ang abiso ay ito is also correct, but the emphasis feels slightly different.

A simple pronunciation guide is:

ee-TO ang ah-BEE-so

A few notes:

• ito is usually stressed on the last syllable: itó
• abiso is usually stressed on bi: abíso
• ng in ang sounds like the ng in sing

So the whole sentence flows roughly as:

ee-TO ang ah-BEE-so

Yes, it is natural.

You might use Ito ang abiso when:

• pointing to a written notice
• showing someone the correct announcement
• identifying which document or message is the notice
• presenting a sign, memo, or advisory

For example, if someone asks which paper is the notice, you could point and say:

Ito ang abiso.

So the sentence is short, clear, and very usable in real life.