UML (Unified Modeling Language), 38–39
undefined symbol errors, 229
undo lists, 22
undo method, 185, 187–188
undo systems, 51, 185–189
Unified Modeling Language (UML), 38–39
unique names for libraries, 214
Unix versioning system, 220–221
unsure programmers, 308–309
up-to-date online information, 151
UPA Voice newsletter, 322
updates
instant, 55–56
for Web interface, 163–166
URLs, comparing, 75
usability bugs
examples, 264–265
searching for, 271–272
as showstoppers, 268
Usability First website, 324
Usability.gov website, 323
Usability Interface magazine, 322
Usability Professionals' Association, 322
usability studies, 262
usability vocabulary, 116–117
use cases
developing, 28–29
working with, 38–43
useit.com website, 323
User Experience magazine, 322
user information in software installation, 287–288
user levels in navigation, 114
user name dialog boxes, 64, 64
user preferences
for color, 15
saving, 24–26
User Preferences dialog box, 24–26
UUI (Useable User Interface), 4–5
desktop metaphor in, 11–13, 12
idioms in, 9–11
intuitive, 6–8, 7
keyboard in, 26–30
questions asked in, 18–24, 19–24
repetitive motion injury, 31–32
respect for users in, 16–17, 17
saving user preferences in, 24–26
software libraries in, 17–18
Visual Basic, 13–16, 15–16