Actually we are having trouble in understanding you query but if want to disable the slider then you can go to Admin Panel > Appearance > Customize > Home/Front Main Slider > Enable Options and unckeck the available option.
Now to change the font go to Admin Panel > Appearance > Customize > Font Setting > Font Family > Title .
To disable the featured image in particular page you can go to individual page edit screen and from layout Options you can choose the option No image and save them.
To change the font of the section that you have mentioned in the screen shot go to Admin Panel > Appearance > Customize > Font Setting > Font Family > Title and chose your desired font from the available options.
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