Buddha's hands are usually depicted in one of six attitudes, or 'Mudras'. Here is a guide to decoding these gestures, which are illustrated in the images above (clockwise from top left): ...

Some depictions show the Buddha’s right hand pointing down, asking the earth goddess to bear witness to his enlightenment ... of ease and freedom and a gesture of release from the hardship ...

And this is the hand gesture of our seated Buddha. The Dharmachakra, or Wheel of Law, is a symbol that represents the path to enlightenment, and it's one of the oldest known Buddhist symbols found ...