The system label is only visible for you, e.g., in your responses. You can set a label for the title of the block or for the options.

Variables in heyflows are a powerful tool to pass values, make calculations and customize your flow. One prominent example is personalization. In this example, we're asking for the visitor's first name. On consecutive screens, we would like to reuse this value to address the user.

The good news is, it's super simple to make your heyflow personal with variables!

For more information, have a look here.