248BWM, we always want to make it easy for you to manage your personal data. May we ask what kind of items you're specifically looking to delete and what device you're currently using Verizon Cloud on? Knowing these details can help us provide more specific instructions; however in the meantime you can learn more about deleting unwanted media here: https://www.verizonwireless.com/support/verizon-cloud-faqs/?task=cloud#delete-media
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in addition to the link provided by support you can also use the cloud website where you can take advantage of normal 'hot keys' (ctrl-click/shift-click) to easily select groups of things instead of individual selection on the mobile app. Heres the website way to delete media Delete Media - Verizon Cloud - Website | Verizon Wireless