In general:
- Red icons are unread items, blue/grey are read
- A star on any topic means you have posted in it
A legend of the icons from the phpbb forums:
![Image](https://www.tehillahdreams.com/board/styles/prosilver/theme/images/announce_unread.gif)
- Announcement
![Image](https://www.tehillahdreams.com/board/styles/prosilver/theme/images/sticky_unread.gif)
- Sticky thread
![Image](https://www.tehillahdreams.com/board/styles/prosilver/theme/images/forum_read.gif)
- Read topic
![Image](https://www.tehillahdreams.com/board/styles/prosilver/theme/images/topic_unread.gif)
- Unread topic
![Image](https://www.tehillahdreams.com/board/styles/prosilver/theme/images/topic_read_mine.gif)
- Read topic that you have posted in
![Image](https://www.tehillahdreams.com/board/styles/prosilver/theme/images/topic_unread_mine.gif)
- Unread topic that you have posted in
![Image](https://www.tehillahdreams.com/board/styles/prosilver/theme/images/topic_unread_hot.gif)
- Hot topic
![Image](https://www.tehillahdreams.com/board/styles/prosilver/theme/images/topic_read_locked.gif)
- Locked thread
![Image](https://www.tehillahdreams.com/board/styles/prosilver/theme/images/topic_moved.gif)
- Moved thread
![Image](https://www.tehillahdreams.com/board/styles/prosilver/theme/images/forum_read_subforum.gif)
- Forum with subforums (which have been read)
![Image](https://www.tehillahdreams.com/board/styles/prosilver/theme/images/forum_unread_subforum.gif)
- Forum with subforums (which are unread)
![Image](https://www.tehillahdreams.com/board/styles/prosilver/theme/images/forum_link.gif)
- Link forum
![Image](https://www.tehillahdreams.com/board/styles/prosilver/theme/images/icon_topic_attach.gif)
- Attachment
![Image](https://www.tehillahdreams.com/board/styles/prosilver/theme/images/icon_topic_latest.gif)
- Go to last post in the thread
![Image](https://www.tehillahdreams.com/board/styles/prosilver/theme/images/icon_topic_newest.gif)
- Go to last unread post in the thread
![Image](https://www.tehillahdreams.com/board/styles/prosilver/theme/images/subforum_read.gif)
- Subforum read
![Image](https://www.tehillahdreams.com/board/styles/prosilver/theme/images/subforum_unread.gif)
- Subforum unread