Definition (noun): a visual display of information

Definition (noun): a map designed to assist navigation by air or sea

Definition (noun): (usually plural) a listing of best-selling recorded music

Example: number 2 on the charts

Definition (verb): make a chart of

Example: chart the territory

Definition (verb): plan in detail

Example: Bush is charting a course to destroy Saddam Hussein

Definition (verb): represent by means of a graph

Example: chart the data