The Dharma is round and this circle shape symbolizes how perfect the
Dharma teaching is. The middle or core part stands for discipline to
meditate. The rim holds everything together and refers to mindfulness.
The eight paths from the center represent the Noble Eightfold Path which are
Right beliefs, Right aspirations, Right speech, Right conduct, Right
livelihood, Right effort, Right mindfulness, and Right meditational attainment.
Note that there are also lesser-known symbols of Buddhism, such as the Lotus