Related Clues:

• Sphere, as of interest
• Length x width, for a rectangle
• Restricted ___
• The 'A' of 38-Across
• See 65-Across
• Boroughs
• Regions
• Sphere of specialty
• Territory
• Disciplines
• See 9-Across
• Geometry topic
• Kind of rug or code
• Grounds
• Domains