Punctuation: the Comma

A comma in writing is a like a pause inside a sentence when speaking. We use commas inside sentences. Commas separate parts of a sentence into logical elements. Commas have no meaning, but they help us to see the structure and therefore the meaning of the sentence.
Put a space after a comma. Do not put a space before a comma.

1. Use a comma between items in a series or list. In a sentence, the last two items usually do not need a comma between them as they are separated by "and". However, if one or both of the last two items are long, a comma may be useful.

coffee, tea, sugar, milk, eggs, butter, salt
My favourite sports are football, rugby, swimming, boxing and golf.
Hunsa was wearing blue jeans, black shoes, his brand new white shirt, and a brown and green cap.

2. Use a comma between three or more adjectives or adverbs.

I like the old, brown, wooden table.
He bought an old, red, open-top Volkswagen.
He ran quickly, quietly and effortlessly.

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