Buddhist Council and Buddhist Mudras

Buddha Mudra

Buddha Mudras are the symbolic gestures of the hands of Buddha images, called Mudras
The symbols uses the hand guestures and tools of identification of deeper meaning, 
While some mudras involve the entire body, most are usually formed by both the hand and the fingers 
Mudra is used in the iconography of Hindu and Buddhist.

Buddhist Councils

The Buddhist council is the order and the emphasis on laying the path to spread the Buddhism to different regions, the first four councils are very prominent and are described in the following table, year of establishment, place, Patronage/King, President of the council 1st Council 1st Council Held
Buddhist councils refer the entire article HERE