Re: The meaning of omote and ura
Another meaning: omote and ura often mean "plain" and "hidden". In some Koryu Kata the form has an omote version - formal, to show and an ura version -actual very short and efficient application form, to be kept in secret. The omote is the form to practice, learn the principle etc. the ura is secret surprise to use in actual altercation (obviously, this is not exact translation).
This meaning sometimes replaces the meaning of forward and backward.
The source for both meanings is the same - the omote is the front of the house and the ura is the backwards insider room, hence, forward and backwards and overt and discreet.