NOTE: To select multiple adjacent rows, select a row, press SHIFT, and then select the last row in the area you want deleted. To select multiple nonadjacent rows, press CTRL, and then select the rows you want.
NOTE: In a drawing, you can delete parameters that take no part in parameter expressions or dimensions. To do so, in the list view right-click in an empty space, and then click Delete Unused on the context menu.