We are actually having trouble understanding your query correctly.
If you are referring to the front page sections that by default is filled with some demo content, all the sections / contents can be edited and customized as per your requirements from your Admin Dashboard > Appearance > Customize > Sections.
We apologize for the confusion but the theme you have installed in your website is actually Education Hub Pro while you have posted the query in the Academic Pro theme forum. Please always remember to post your queries in the respective theme forum as it makes us easier to understand the query.
Regarding your query, the featured section in the website can easily be modified from the theme customizer. Please go to your Admin Dashboard > Appearance > Customize > Featured Content > Featured Content Type and choose options for the content type to show in the featured section.
Choose “Featured Pages” if you want to display pages in the section or choose “Featured Posts” and provide post ids if you want to display posts in the section under the “Select Type” option.
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