heart of the matter

see crux of the matter.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

Related Words for heart of the matter

kernel, substance, gist, core, fundamentals, essence, focus, reality, heart, quintessence, basics, soul, root, meat