It's a very important concept in Filipino culture and history, as it represents the struggle for independence from colonial rule.
Here are some examples of how it's used:
* Araw ng Kalayaan: This means "Independence Day" and refers to the Philippines' National Day on June 12th.
* Laban para sa Kalayaan: This means "Fight for Freedom" and refers to the fight for liberation and human rights.
* Ang kalayaan ng pagsasalita: This means "Freedom of Speech" and refers to the right to express oneself without fear of censorship.
So, "kalayaan" is a word that embodies a deep and meaningful concept in Filipino culture.