| noun | the choicest or most essential or most vital part of some idea or experience “the gist of the prosecutor's argument” |
| noun | preoccupation especially with one's attitudes and ethical or ideological values “the sensitiveness of James's characters, their seeming inwardness” |
| noun | the quality or state of being inward or internal “the inwardness of the body's organs” |
| noun | preoccupation with what concerns human inner nature (especially ethical or ideological values); - H.R.Finch “Socrates' inwardness, integrity, and inquisitiveness” |
| central | adjective | serving as an essential component |
| essential | adjective | of the greatest importance |
| meaty | adjective | being on topic and prompting thought |
| pithy | adjective | concise and full of meaning; ; - Hervey Allen |
| summate | verb | form or constitute a cumulative effect |
| inward | adjective | relating to or existing in the mind or thoughts |