How to activate a "clickable" icon?

Linux for blind general discussion blinux-list at
Thu Jan 14 00:43:31 UTC 2021

While online I was on a site that has like a filter your options segment. It is a clickable icon that says "filter, clickable". 
It is not a link, and not a button. It is simply a clickable icon that says "filter, clickable".
On Windows with NVDA, I can press enter on the clickable icon  and it will open up the choices.
But on Linux Mint MATE with Orca, when I press enter or space on the "clickable" icon, it does nothing.
Do you guys know if there is a special key combination to activate "clickable" regions that are not links, not buttons, just clickable icons?

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