Use of punctuation in English

Comma

Coordinate clauses

But

Yes

Nor

Lists

And

Or

Adjectives

Adverbial clauses

Non-restrictive relative clauses and appositions

Linking adverbs

Geographical locations

Forms of address in letters/emails

Line breaks

Question tags

Intonation and emphasis

Colon

Explanations

Details

Lists

Semi-colon

Lists

Compound sentences

Full stop (AmE - period)

Initials

Abbreviations

Decimals

Dashes and brackets/prentheses

Separate comment from the rest of the sentence

Quotation marks "" ''

Names of books, magazines, newspapers, films, and paintings

Words in a foreign language

Apostrophe

Genetive forms

Contracted forms

Abbreviations

Capital letters

At the beginning of sentences and quations

The hyphen

Compound nouns

Compound adjectives

Noun modification

Coordination compounds

Numerals and fractions

Prefixes

Exclamation mark

Exclamatives

Signalling positive or negative emotion

Question mark

Indicates a question

Slash

Indicates a series of alternatives

Triple dot

Incomplete statement

Indentation or blank lines

Beginning of a new paragraph