Englishfor English speakers
idea
Noun
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An idea is a concept or a thought.
It was a good idea.
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An idea is something abstract (not concrete).
Love is just an idea.
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An idea is a way to see something, a view.
He changed her ideas on religion.
sketch
Noun
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A sketch is a simple drawing.
The artist made a quick sketch before he started painting the real picture.
Here is a sketch of an aeroplane.
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A sketch is a quick description of a person, or of something that happened.
He gave me a sketch of the incident, stating only the main facts.
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A sketch is a short piece of acting, usually funny.
The best part was the three-minute sketch about the cowboy who couldn't ride a horse.
sketch
Verb
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If you sketch something, you make a quick drawing of it using a pencil or a pen.
I sketched his face quickly before he woke up.
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If you sketch something, you describe it without many details.
The policeman asked me to sketch the accident while he took notes of what I said.