what does  compact mean
â adj. 1. joined or packed together; closely and firmly united; dense; solid: compact soil. 2. arranged within a relatively small space: a compact shopping center; a compact kitchen. 3. designed to be small in size and economical in operation. 4. solidly or firmly built: the compact body of a lightweight wrestler. 5. expressed concisely; pithy; terse; not diffuse: a compact review of the week's news. 6. composed or made (usually fol. by of): a book compact of form and content.