key

/kˈiː/

/ˈki/

Key

ключ

a specially shaped piece of metal used for locking or unlocking a door, starting a car, etc.

клавіша

one of many buttons that one presses or taps to operate a computer, telephone, or cell phone

Examples

1. Good communication is key to a successful relationship.

2. The author abstracted key themes from the novel in her literary analysis.

3. The keys are here on the table.

4. The piano keys are black and white.