Related Clues:

• "What's the __?"
• Make an itinerary
• Architect's start
• Flight or floor follower
• Envisage
• Sketch out
• See 127 Across
• Know in advance
• Architectural drawing
• Drawing-board product
• First word in an Ed Wood title
• Architectural starting point
• Architect's diagram
• Intend (to)
• The backup one is B