Straightforward

Definition: possessing undeviating rectitude; upright; honest; open; frank; candid

Idiom: Call a fig a fig and a trough a trough — Plutarch (6–119) Greek philosopher
     Note: The origin of “Call a spade a spade.”

Quote: You can run faster if you don’t run into walls. — Jerry Downs (1949 -) American Sage

Symbol: a straight line