The Homepage of Skole theme has a section with four sliders and a numbered list:



You can edit the list text and slider images by following the steps below:


Step 1. Click on the "Edit with Elementor" link in the WordPress toolbar, then locate the section and click on it:




Step 2: You can edit here the Tabs' titles: 


"Home-like Environement"

"Safety and Security"

"Quality Educators"

"Play to Learn"


https://elementor.com/help/tabs-widget/




Step 3: You'll notice that the Tab's description is an Elementor Template shortcode:



Remember the template id (for instance id="3894"), then go to Dashboard > Templates > Saved Templates and locate each of the tabs templates and click on "Edit with Elementor":



 

Step 4: Here you can customize the slider's content: 




https://elementor.com/help/slides-widget-pro/