Difference between Dateline and Deadline

Dateline

Part of speech: noun

Definition: A line at the beginning of a document (such as a newspaper article) stating the date and place of origin. A line at the beginning of a document (such as a newspaper article) stating the place of origin and typically the date, and often written in capital letters.

Part of speech: verb

Definition: To attach a dateline to a particular document

Deadline

Part of speech: noun

Definition: A date on or before which something must be completed.A guideline marked on a plate for a printing press.A line which doesn't move.A boundary around a prison.