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  • CellLabel is an option for Cell which gives the label to use for a particular cell.
  • CellLabel->"" specifies that no label should be used for a cell.
  • Cell labels are displayed when the setting ShowCellLabels->True is made.
  • Cell labels are typically generated automatically when cells appear as input or output to the Mathematica kernel.
  • Cell labels are automatically deleted when a cell is modified if CellLabelAutoDelete->True.
  • See the Mathematica book: Section 2.10.3Section 2.10.9.
  • See also: CellTags.