Thanks for answering.
Yes, I can assign one shortcut per page action, or press F2 and type the page action...but I don't see (or understand) how I can assign one shortcut to execute more than one page action, since I can't enter the page actions themselves in the command chain menu (they aren't part of the command chain menu options available for us to choose from). Try to type Minimap under Command 1 and you'll see, nothing shows up.
All I want is to press [F1] and have it execute "Filter Invert", then "Minimap" and then "Inline Access Keys": ...one page action after another, just by pressing F1.
Right now, even if I assign a shortcut to each action via Keyboard/Tab(*), I still would have to press 3 keys; It is indeed much faster than the menu option, but it's still not as quick as a command chain or quick command (where I press 1 key only, and can add other things in between, like delays, if I wanted to).
Am I missing something?
(*) say, [F6] for Filter Inverse, [F7] for Minimap and [F8] for Inline Access Keys.