About and Of
Incorrect : Something should be done of terrorism.
Correct : Something should be done about terrorism.
Incorrect : This is a book about poems.
Correct :This is a book of poems.
Note: 'About' means 'on the subject of', whereas "of” usually means 'belonging to’. In the example above "a book of poems", however, means "a book containing poems”. A book about poems tells you something about poems.
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