I think it would be helpful for beginners

thanx for sharing. much simple and understandable
It is in the manual: https://wiki.mikrotik.com/wiki/Manual:Packet_Flow_v6
However, that version is a little more complicated than yours…
It could be argued that a simple overview for “normal cases” would be less daunting for beginners, and could
be added to the manual.
pe1chl, i know about wiki page, but my picture is about /ip firewall only and yes, its intended for beginners