Quotation Mark:

It is a punctuation mark(' '),(" ") used:

to enclose words and punctuation in direct speech:

‘Why on earth did you do that? He asked

I’ll fetch it, she replied.

to draw attention to a word that is unusual for the context, for example, a slang expression, or to a word that is being used for special effects, such as irony:

He told me in no uncertain terms to ‘get lost.

Thousands were imprisoned in the name of ‘national security.

around the titles of articles, books, poems, plays etc.:

Keats ‘Ode to autumn

I was watching ‘Match of the Day