Punctuation is the system of symbols (. , ! - : etc) that we use to separate sentences and parts of sentences, and to make their meaning clear. Each symbol is called a "punctuation mark".
Summary of Punctuation Marks
Click on the link for each punctuation mark to find out more.
Although there are general rules for English punctuation, there are differences of style between, for example, British and American English, some publishers and some writers. Anyone seeking guidance at an advanced level is recommended to consult a style guide (often included in good dictionaries) for their particular variety of English or editorial style.