356 Personal Content Experience: Managing Digital Life in the Mobile Age T usage pattern 64–5 T9 30, 46, 66 user centred design 6, 205 tabs (in user interface) 226 user interface controls 234 tagging 83, 104, 141, 301 user interface (UI) 201 Tampere Film Festival 212 user interface component 216, 234 tape recorder 39 time 232 task, user’s 111 button 234 task-switching 22 calendar view 241 technology push 200 checkbox 236 text entry 220, 221 drop-down textbox 235 graffi ti 221 grid 239 handwriting recognition (HWR) 221 image or icon 231 virtual keyboard 221 label 231 Text-to-speech (TTS) 219 list 237 ticker tape 231 menu 237 tilted plane 228 palette 237 time-based objects 168 radiobutton 236 timeshifting 120 slider 234 timeshifting life 9, 338 spin button 236 toaster 33 symbol 231 toolbar 237 text 231 toolbox device 21 text box 236 total conversion 313 toolbar 237 tracing 94 tree view 239 tracking 295 user interface design process 247 transfer rate 37 component specifi cation 251 transition between applications 99 detailed design 251 tree view 239–40 dialogue diagram 250 trend 47 key questions 248, 249 U operation analysis 247 task analysis 247 UI design 201, 247 validating design 253 UI design guidelines 243–6 user interface structure see navigation, UI design process 247 structure UI view 97 user interface style 246–7 UIQ 227, 247, 279, 289 user interface style guide 227, 243, 247 UKMARC 101 user interface, evolution 201 undo 135 user interface, highlighting a component 233 UNIMARC 101 user pull 200 Universal Plug and Play (UPnP) 29, 121, User-centered Design (UCD) 205 151, 157 user-centered design methods 205, 206 Universal Resource Identifi er (URI) 102, UWB 36 161, 167, 179, 188 usability 252–3 V usage event 147 vehicle 19 usage history 141 version control 134