Englishfor English speakers
identity
Noun
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Your identity is your name, your personality, and the things that make you different from other people.
Before I can give you money from your bank account, you have to prove your identity.
I don't know the identity of the person who walked past while I was looking the other way.
unit
Noun
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One of a measure of something; the amount of something that is counted as "one".
Measure five units to the left.
$4 is the unit price.
A pound is a useful unit for thinking about amounts of butter.
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Form of measurement.
I prefer metric units.
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Item, used when no other word for something exists.
He set up the A/C unit.