How to identify and hide/remove an element from a WordPress page [closed]

If the element you are seeing can not be edited in Elementor, then this is part of the theme template. You should consider looking directly at the theme page template you are using on this page to solve.

Nether the less, as per your question you can remove this globally using css. In your browser you can Inspect Element, select this div element and use the selector to add the following code in your custom css.

 .yourexampleselector {
    
    Display: none;
    
    }

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