labeled as F1, F2, F3, and so on, up to F12. The functionality of these keys
differs from program to program.
Navigation keys: These keys are used for navigate in a long window pane such
as documents or webpages and editing text. They include the arrow keys,
Home, End, Page Up, Page Down, Delete, and Insert.
Numeric keypad: The numeric keypad is handy for entering numbers quickly.
The keys are grouped together in a block like a conventional calculator or an
The following picture
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