What's the difference between a card slot and a Cato?

1. Card slot: Card slot refers to the slot into which various cards are inserted, such as SIM card slot. On devices such as mobile phones, tablets or computers, the SIM card slot is used to insert SIM cards to provide communication functions, such as voice calls, sending short messages and using mobile data.

2. Cato: Cato refers to a bracket or fixture used to fix a card or slot. In some devices, such as cameras, computers, game machines, etc. Cato is used to insert a memory card (such as SD card) or an expansion card into the corresponding card slot to ensure the stable insertion and fixation of the card.