Englishfor English speakers
concentrate
Verb
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If you concentrate on something, you use most of your time and work there.
We concentrated our rebuilding efforts on villages in the North of the city, where most of the damage had been done.
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If you concentrate on something, you think about it and not about other things.
I went to a quiet room so I could concentrate.
It's better to look at the big picture instead of concentrating on the details.
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If something is concentrated somewhere, there is a lot of it in that place.
The fighting was concentrated in a few small areas.
concentrate
Noun
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A concentrate is a liquid such as juice or chemicals from which most of the water has been removed.
Instead of fresh orange juice, we usually make it from concentrate.
attention
Noun
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If you pay attention to something, you focus your mind on it.
Pay attention to me when I'm speaking to you.
He waved to draw attention to himself.
She couldn't keep her attention on her books.