Rules for Using Semicolon

A semicolon (;) is used to distinguish items in a series when those items already contain other punctuation marks.

Ex.: They had planned to visit New York, Las Vegas, and San Francisco in USA; Paris, Switzerland, and Rome in Europe; and Sydney and Tasmania in Australia.

Rules for Using Semicolon

A semicolon (;) is used to link two independent clauses with closely related themes.

Ex.: John graduated in 2011; his brother graduated last year.

       Train is the most preferred public transport; it is cheap and time-saving.