The word "threads" is decidedly geeky. I would like to change it universally to "topics." I know how to do this on a one-off basis. How can I change this throughout the forum, however? Thanks.
Unfortunately there is not an easier way. You have to find and edit individual phrases. A bulk find and replace would be dangerous for a word like "threads".
Also, this addon is useful if you wish to change that word in the URLs: