The Plain English Approach in English Civil Procedure

In england we say the claimant, and in america they say the plaintiff. In 19 99 there were some changes to what we call the civil procedure rules. There was this big shift towards using more natural language. So instead of plaintif, we now use claimant because it's the person who brings the claim. Another one is that we there's a word called supina, which sounds like, what on earth is that? That's neverbe guessed what that is so common to hear from t v shows such as ouow miki ouse. O micky mouse, yes, just the first thing i thought of. I don't know, maybe minnie mouse and m