Effective label calculation

Text and Images from Slide

Effective label is calculated in the following order:
Effective label = LEGEND + BUTTON
Effective label = LEGEND + LABEL
Effective label = LEGEND + TITLE
Effective label = LEGEND + ALT
Effective label = LEGEND + VALUE
Note:
If no legend is specified, it's value is NULL ("") in the above formula
If multiple label elements reference the same form control, the effective label is comprised from their contents in the document order