Get on the right course, proceed in the right direction, as in We'd better find true north before our competitors do. This term alludes to locating the position of the North Pole from a particular point. [Slang; late 1900s]
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.