Unclassified Clips, Clip Organizer collection, 337
underline, text attributes, 171-172
Undo command, undoing mistakes, 105-106
units of measure, rulers, 31
uppercase, text formatting, 173
user-interactive presentations
distribution methods, 563
navigational controls, 562-565
pros/cons, 48
rehearsal guidelines, 55-56
U-shape seating, audience arrangements, 59