change (n)

Let me know if there's any change in the situation.
We're living in a time of great change.
We need a change of government.
The sudden change in weather caught everyone off guard, and people hurriedly sought shelter from the unexpected rain.
The political candidate promised to bring about positive change in the community through various initiatives.
When the project faced challenges, the team embraced the need for change and adapted their approach to ensure success.