Key Stage is an important phase in a student's education.

The Key Stages of education in the UK are Key Stage 1, Key Stage 2, Key Stage 3, and Key Stage 4.

I used a wine key to open the bottle of wine.

The key set identifiers are stored in a separate file.

He has managed to keep his nose clean and stay out of trouble.

I love snacking on kettle corn while watching movies.

Key signatures are important in music theory.

She managed to keep her head above the water despite facing many challenges.

She managed to keep her head above water during the financial crisis.

I have a key bit in my pocket.