Explain acronyms

On the Clueless monitoring interface there are loads of acronyms and abbreviations that could be marked up.

http://www.whatwg.org/specs/web-apps/current-work/multipage/text-level-semantics.html#the-abbr-element

For example
* FTTC
* LNS
* KBD
* FTR

and such and so forth.