The following commands are demostrated in the video below.

Area
Area: Modify text created with TEXT, DTEXT, Labeling, ARCTEXT, Blocks with Attributes, AutoCAD civil product point objects, and Point Label, Point Elevation, Label Coordinate, Slope Label (1 Point), Dimension Arc, and SmartDraft Arc Text.
Area by Point: Modify multiple lines of selected text at once or selected blocks with attributes.