Essence
Part of speech: noun
Definition: The inherent nature of a thing or idea. A significant feature of something. The concentrated form of a plant or drug obtained through a distillation process. Fragrance, a perfume. The true nature of anything, not accidental or illusory.
Example sentence: The real glory is being knocked to your knees and then coming back. That's real glory. That's the essence of it.
Gist
Part of speech: noun
Definition: The most essential part; the main idea or substance (of a longer or more complicated matter).The grounds for action in a suit.