What is the Focus event?

Saola Animate Support Questions
1

Please explain the “Focus” event. Unclear what it means.
Thanks

2

Hi Moshe,

This event occurs when the element has received focus, for example when the user clicks on the element, or uses Tab key to navigate to the element.
Please note that Tab Index (in the element Properties pane) must be set for the element to receive focus event.

Regards