In the tab Single Block you find all the options of the single elements for single diversification:

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• Posts Settings: Decide to follow the post ID or to create an independent matrix, more infos.
• Custom order: Activate this option to order the items using drag & drop. NB. Custom order is only possible when the ‘Infinite load more’ or pagination are deactivated, screenshot.
• Single Block Editor: Here you can modify aspect for single elements, you have the options of the Block tab for single item override, screenshot.