A dartboard is a circular board used in the game of darts, where players throw small, pointed missiles called darts at it. The board is typically divided into numbered sections, each representing different point values. The standard dartboard is made of sisal fibers, which help the darts stick and minimize bounce-outs. Dartboards come in various types, including bristle boards for professional play and electronic boards that automatically score the game. The most common layout is the standard 501 game, where players start with a score of 501 and aim to reach zero by hitting specific sections of the board.