ArcGIS labels are textual objects associated with ArcMap™
layers. The textual content of a label is derived in whole or in
part from its layer's attribute table. It is
determined by its layer's labeling rules.
The content of labels coming from an attribute table can easily be
proofed and possibly be corrected by
spell checking the
labeling fields from the table.
If errors are found, they are listed in the Potential Errors dialog
where users can interact with them.