An X value paired with its display label. value is the raw XValue used for
navigation (moveToXValue matches on the raw value); label is the x-axis
formatted string that is shown, filtered, and announced in the search
combobox so it matches the terse layer text and the extrema target labels.
An X value paired with its display label.
valueis the raw XValue used for navigation (moveToXValue matches on the raw value);labelis the x-axis formatted string that is shown, filtered, and announced in the search combobox so it matches the terse layer text and the extrema target labels.