How to use Vanilla WoW Addons

MapNotes:
Say you are in Duskwood near the rare mob Naraxis and you want to record it’s position:
/qnote Naraxis

Gatherer:
/gather mining on
/gather herbs off
/gather treasure toggle

BestBuff:
/bestbuff
then check “Enable”

ClassicMouseover:
Make a macro like this:
/cmcast Renew
/cmcast Lesser Heal(rank 3)