Meaning , we can dial a phone number on the 5G Cellular Laptop(regardless of the Operating System being used ,  regardless of the    Processor/SoC    being used)  15.6 inches Touchscreen , just like what we do on our 5G smartphone so much so that we can use that 5G Cellular Laptop to make phone calls to someone or to anyone or to a  landline telephone  using   his/her   phone number  and we can use that  5G  Cellular Laptop  to    answer/reply    phone calls  from someone or  from  anyone or from a   landline telephone , directly on that 5G Cellular Laptop ,  just like a  5G smartphone . 

Your 5G Cellular Laptop is your 5G smartphone.