I lost my key fobs and now I can't unlock my car.

I have a collection of key chains from different countries.

I always keep my keys on a key chain.

The key bindings for this game are customizable.

The modifier key on the keyboard allows you to perform special functions.

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.

Key signatures are important in music theory.

I have a key bit in my pocket.