Englishfor English speakers
red
Noun
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Red is a color.
red
Adjective
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having the color red
book
Noun
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A book is a lot of paper joined together with writing and pictures printed on them for you to read or write in.
I borrow books from the library, and keep them in a bookcase.
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A book is a group of stamps, matches, tickets, etc., held together inside a paper cover.
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A company's books are its money records.
An outside accountant kept the books and signed the checks until he joined the company.
book
Verb
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If you book something or someone, you reserve them for a certain time.
I want to book a hotel room for tomorrow night.
I can book tickets for the concert next week.
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If you book someone, you officially put their name in police records for a crime.
The police booked him for driving too fast.
audio
Noun
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Audio is a kind of sound or sound signal.
The audio for the game was playing through the computer speakers.
audio
Adjective
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Of or relating to sound or sound waves.