I don't know what a "current tag" is that I have the option to close while I'm composing this message.

If you have been using "tags" like [ b ] to make something bold you can use the "close current tag" or "close all tags" to insert the [ / b ] at the end, on UBB we often forgot to close a tag and without a start and end a tag won't work.


I don't know why I have title this message, since I thought I was replying to a thread.

You can give a title to a reply now as well, add something like you see on top of my reply here

I don't know what "reputation points" are, how to earn them, how many are good to have.

People can "award" you reputation points, but it's mainly active for "trust" points in coupon connection

I don't know what to bookmark to have unread messages be displayed when I visit each morning.

http://www.flyertalk.com/forum/search.php?do=getnew

I have an airport transfer question (FRA, AA to LH) and don't know where to
post it.

The airport boards in "localtalk" and more specifically the FRA airport forum would be best:

http://www.flyertalk.com/forum/forumdisplay.php?f=540


Hope this helps!