Questions about example sentences with, and the definition and usage of "Rfid"

A: × 𝗘𝗻𝗴𝗹𝗶𝘀𝗵 𝗶𝘀 𝗺𝘆 𝟰𝘁𝗵 𝗹𝗮𝗻𝗴𝘂𝗮𝗴𝗲𝘀, 𝘀𝗼 𝗜’𝗺 𝗻𝗼𝘁 𝗰𝗼𝗻𝗳𝗶𝗱𝗲𝗻𝘁 𝘄𝗶𝘁𝗵 𝗺𝘆 𝘀𝗲𝗻𝘁𝗲𝗻𝗰𝗲𝘀 𝗯𝗲𝗹𝗼𝘄.
✓ 𝗘𝗻𝗴𝗹𝗶𝘀𝗵 𝗶𝘀 𝗺𝘆 𝟰𝘁𝗵 𝗹𝗮𝗻𝗴𝘂𝗮𝗴𝗲, 𝘀𝗼 𝗜’𝗺 𝗻𝗼𝘁 𝗰𝗼𝗻𝗳𝗶𝗱𝗲𝗻𝘁 𝘄𝗶𝘁𝗵 𝗺𝘆 𝘀𝗲𝗻𝘁𝗲𝗻𝗰𝗲𝘀 𝗯𝗲𝗹𝗼𝘄.

× ➡️ “QN: Is the RFID card can bring back?
✓ ➡️ “QN: Is the RFID card can bring back? Do you mean:
Can I bring the RFID card back? Or
Is the RFID card located on the back?

× My answer: I give example in reality sceanario whenever consumer first enter the market, they will take the smart trolley.
✓ My answer: I give will give an example as a realistic scenario when the consumer first enters the market, taking the smart trolley.

× This smart device is ready a RFID card so the card is belong to the store property.
✓ This smart device is a ready RFID card and is the store’s property.

× Once consumer finish shopping and make payment, they must return the RFID card (𝗶𝗻𝘀𝗲𝗿𝘁/𝗽𝘂𝘁 𝗯𝗮𝗰𝗸?) to inside the pocket card so consumer cannot take away the card with them.
✓ Once the consumer finishes shopping and make a payment, they must return the RFID card by inserting it to the inside the pocket so that the consumer cannot take the card away with them.

× (𝗶𝘀 𝘁𝗵𝗶𝘀 𝗺𝗮𝗸𝗲 𝘀𝗲𝗻𝘀𝗲?).
✓ Does this make sense?

A: It's an abbreviation of "radio-frequency identification".