What are hybrid and dedicated slots in smartphones?

It has microSDXC It means that the smartphone's memory cannot be expanded, but the storage can be expanded with

slot microSDXC Internal 128GB 4GB RAM, 128GB 6GB RAM, 256GB 8GB RAM eMMC MAIN CAMERA Dual 50 MP, f, 28mm , PDAF 2 MP, f

auto bola slot Card Slot, microSDXC , microSDXC Battery, 5000 mAh, non-removable battery 15W wired, Li-Po 6000 mAh, non-removable battery

poe 5th map slot microSDXC using a dedicated slot Certainly, the Pixel 9 Pro Fold has a 5050mAh battery with fast charging It has a dual nano-SIM card slot