On Apple's keyboards you have the option to use the function keys either as F-keys, or for the functions Apple has assigned them by default. When using the Apple-defined functions, you have the option ...

A Hyper Key is a single key that sends a modifier combination — usually Ctrl + Shift + Alt + Win. Since almost no application reserves this four-key combination, any shortcut created with it won't ...

I think you'll need a macro program like Quickeys to assign glyphs to a particular key arrangement. However you can "type" them using Character Viewer. Just go to Keyboard Preferences and turn it on ...