summary

(noun) a brief statement that presents the main points in a concise form. Synonyms: sum-up. Example: "He gave a summary of the conclusions."

(adj) performed speedily and without formality. Synonyms: drumhead. Examples: "A summary execution." "Summary justice."

(adj) briefly giving the gist of something. Synonyms: compendious, compact, succinct. Examples: "A short and compendious book." "A compact style is brief and pithy." "Succinct comparisons." "A summary formulation of a wide-ranging subject."