Glossary

Popular Glossary Terms

• gulf of execution

  the psychological gap that must be crossed to manipulate a user inter…

• keyboard accelerator

  keyboard shortcut or keyboard mnemonic; a key that acts as a shortcut…

• usability inspection

  a class of techniques for evaluating a user interface by examining an…

• light pen

  an input device for selecting regions on a screen or drawing. Light pe…

• graceful degradation

  the quality of a system or design such that when something goes wrong,…

• forms-based programming

  programming by filling out a set of forms that query a user about the ty…

• diversity

  things vary more than you’d ever expect. Users vary by prefere…

• modeless

  a type of interface where the user is free to perform any action in the i…