Does "Kill Thread" kill a thread or a sub-thread? Quite often one sub-thread of topic degenerates into trolling and bitchiness, while another continues in a rational way.
And I'm not sure exactly what Delete (trash can at the top right) does. We all know you can't actually delete anything from Usenet. Does it permanently suppress a thread? I don't like to experiment too much in case I lose somthing I'm interested in, and "This action cannot be undone".