Answer: Simple that is the only word that would fit here
background info: Synonym study. Concise, succinct, all refer to speech or writing that uses few words to say much. Concise usually implies that unnecessary details or verbiage have been eliminated from a wordy statement: a concise summary of speech.
The protogonist and narrator of Drown yunior is several years out of high school and still living with his mother in the small apartment in Edison New jersey in which he grew up.