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Cell Options
Cell Frame Options
CellFrameLabels
• CellFrameLabels is an option for cells that determines the labels associated with the frame around a cell.
• CellFrameLabels
{{left,right},{bottom,top}} specifies the labels to the left, right, bottom, and top of the cell frame, respectively. The label can be a string or a typeset expression.
• Cell frame labels are usually specified as strings, but they can also be arbitrary cell expressions.