What does 'Back to the drawing board' mean?

If you have to go back to the drawing board, you have to go back to the beginning and start something again.

• Category: General

Idioms similar to 'Back to the drawing board'

• Drawing card
• Above board
• On board
• Go by the board
• Across the board
• Sweep the board
• Bring on board
• Back to back
• Take a back seat
• Back burner
• Back number
• Back-of-the-envelope calculation
• Cast your mind back
• Get back on the horse that bucked you