What is the difference between Sequence number (relative sequence number) and Sequence number raw?

Question

Computer networks

Hello, they gave me a home to deal with the WireShark program. And before that, in the lecture, they wrote the structure of the TCP segment, where it was said about the sequence number, in the program, in the division, I encountered two of their versions or something like that. Please explain the differences and where exactly the serial number of the segment. Thanks in advance.

Answer 1

https://superuser.com/questions/828294/how-can-ig...
the first is the packet number assigned by the wireshark from the start of capturing traffic, the second is the number from the packet