Final answer:
The entry to access the DIRECT SEGMENT SELL pop-up is typically a specific function within a business software application, and the exact method can vary depending on the program being used.
Step-by-step explanation:
The entry to access the DIRECT SEGMENT SELL pop-up would typically be found within a specific software application or system used by businesses, particularly in sectors such as retail, travel, or hospitality industries. Accessing this pop-up generally involves navigating through the system's user interface to reach a particular section where direct segment sales can be managed or processed. This action can vary depending on the system; thus, referring to the software's manual or help guide is advisable. In certain instances, this can involve clicking on a menu item labeled similarly to 'Sales', 'Inventory', or 'Direct Sales'. It's also possible that a keyboard shortcut could be provided by the software to streamline the user experience.