Englishfor English speakers
the
Determiner
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Used, instead of a, to reference something specific, already known to exist.
Compare "I read a book." and "I read the book."
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Used with a stress, to show that the word following is special.
Are you the John Smith that I went to school with?
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Used with an adjective that acts like a noun to mean all of the people concerned
The poor are always with us.
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Used with superlatives forms of adjectives and adverbs.
You are the best.
printer
Noun
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A person who makes prints.
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The person who runs a printing press or the owner of a printing business.
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A machine, usually attached to a computer, used to print words or images onto paper.
I used the printer to make a copy of my project.
isn't
Contraction
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A shorter way to say "is not".
He isn't my brother. He is my uncle.
It isn't raining, it's sunny.
working
Noun
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The workings of something is how it functions.
He showed us the machine's inner workings.