Uniform Resource Locators. See URLs (Uniform Resource Locators)
Uniform Resource Numbers. See URNs (Uniform Resource Numbers)
upgrading existing forms, 241–242
uploading forms, from form libraries, 267
URLs (Uniform Resource Locators)
changing to URN, 284
compared with URN, 285
hyperlinks and, 51
URNs (Uniform Resource Numbers)
changing, 294–296
compared with URL, 285
trusted forms based on, 284
user interface
feature-rich environment of InfoPath forms, 10–11
Main View, 36–37
menu bar, 38–39
Task Pane, 37–38
toolbars, 39–41