If you are a bit unsure what the various Topic Icons mean (when browsing a forum for interesting or relevant posts), then
the following link contains a post that lists and explains them, though they're not all necessarily implemented on every phpBB forum.
Go to the last post on this link and you should see the images and descriptions of the phpBB topic icons:-
https://www.phpbb.com/community/viewtop ... 2&start=15" onclick="window.open(this.href);return false;
FYI -Topic icons (meaning)
FYI -Topic icons (meaning)
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1.9TD Syncro Doka / Syncro Kastenwagen / 16" Kombi Camper
Syncronaut No. 1
1.9TD Syncro Doka / Syncro Kastenwagen / 16" Kombi Camper
Syncronaut No. 1