<html><head><meta http-equiv=Content-Type content="text/html; charset=utf-8"><META name="Author" content="Novell GroupWise WebAccess"></head><body style='font-family: Tahoma, sans-serif; font-size: 13px; '>Heloo everyone;<br><br> Just a quick question. For the hand movement in sign writing, apart from the wall and floor plane, there is another diagonal plane also. How important the diagonal plane is in sign language? As there seems only a subtle information about it.<br><br><br>Many thanks<br> Gan <br></body></html>