Possible Clues:

• Where to enter this puzzle's answers
• Graph-paper design
• Something you currently regard as grating?
• Work hard to drop new network
• Crossword structure
• Gee! Free of such a thing over the map
• Frame that's hard work, any number not being potted
• Network where mournful tune endlessly given backing
• Gravity-free framework
• River at Nottingham