circle -
square -
triangle -
ai -
ki -
do -
pine tree - representative of endurance and longevity
plum blossoms - representative of courage and purity of character
bamboo - representative of strength and flexibility
i remember seeing alot of symbols in "The Spiritual Foundations of Aikido" by William Gleason. Might want to take a look.
- oh yeah, a bearded, balding, smallish old guy in a white hakama pretty much sums it up for me!