Packet Headers - The TCP header has synchronization bits that are used to establish and terminate communications between both communicating parties. The bit indicates that there is no more data from the sender.

FIN

Explanation:

Based on the information provided within the question it can be said that the term that is being described is called the FIN bit. Like mentioned in the question this term basically signals that there is no more data from the sender and once each side uses this bit set it terminates the connection. Which is why the set is named FIN as it is short for Finish.

you have to email it to yourself from your phone then download it to either google drive or you computer files. then you can go to where ever you saved it and select it and then copy and paste it. or you could attach it to your question when you are writing it which would be much easier. for example: go to the attachment.