It does make sense yeah, but this is RWK. Things aren't supposed to make sense.
/sr = single rune version of /br
You need 3rd scepter and a DAD/DSD to use /sa.
/bf = buy food (up to 2b, with no waste)
/ref = /rep + /bf combined (Once armies max, it buys food)
/re = stats as affected only by relics
/he = highly explosi... err, I mean help site
Here you can actually find a list with most if not all commands though, at the bottom