Verb
key in (third-person singular simple present keys in, present participle keying in, simple past and past participle keyed in)
(transitive) to enter data by keyboarding
There's always someone asking you to underline one piece of yourself - whether it's Black, woman, mother, dyke, teacher, etc. - because that's the piece that they need to key in to. They want to dismiss everything else. Audre Lorde
With one day's reading a man may have the key in his hands. Ezra Pound
When in doubt, parenthesize. At the very least it will let some poor schmuck bounce on the % key in vi. Larry Wall
Surprise is key in all art. Oscar Niemeyer
Why should the sons and daughters of God be reluctant to pray, when prayer is the key in the hand of faith to unlock heaven's storehouse, where are treasured the boundless resources of Omnipotence. Ellen G. White
Compassion is the key in Islam and Buddhism and Judaism and Christianity. They are profoundly similar. Karen Armstrong