Englishfor English speakers
instruction
Noun
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An instruction is a command or a step that helps you achieve a goal.
Before he died, he gave the hospital instructions about how to deal with his body.
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The instructions that come with a new machine, computer, or product tell you how to use the product.
I couldn't figure out how to set the temperature in the fridge, so I read the instructions.
area
Noun
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An area is a piece of land or space.
This is the business area of town.
We have chosen a large forest area for the new park.
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An area of study is a special subject, such as mathematics, grammar, music, or biology.
Economics is quite interesting, but my area is more related to politics.
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The area of a surface, is the size of the surface.
The length is 10 cm and the width is 5 cm, so the area is 50 mathcm^2/math.