Continuing the name game, I have found that redondo/redonda means different, but related, things to different people. Many think of it as Heaven Six (a.k.a. Heaven Sticks) sinawali. I learned the term as that same motion done more downward than forward--one person holds two sticks out at hip-length, parallel to the floor and making an angle to the body, and the other person does that motion, three strokes on one stick, R-L-R, then three strokes on the other, L-R-L, repeat. I considered Heaven Six a different, though obviously related, drill. But I've heard many people use this term for what we in Modern Arnis might call the double zero strike of anyo dalawa, or the circular strike in a vertical plane that's sometimes called hirada (an exaggerated version of the middle strike of Heaven Six, perhaps). In fact, the main thing I've learned is that when another FMA instructor says "Do a redonda strike" all I know is that there'll be something somewhat circular to the motion! What does this term mean in your system?