Related Clues:
- Sudoku component
- Geometric line
- Graph paper pattern
- Graph-paper design
- Center of a rotation
- Where to enter this puzzle's answers
- Graph basis
- Italy's side, once
- Imaginary line about which the Earth turns
- Basic street system
- Base line
- Crossword puzzle, e.g.
- Lattice pattern
- Something to reflect on?
- Allies' opposition