Hal was giving and receiving news when one chanced to meet another. It was an obligation, and always reciprocal. A person must communicate the latest happenings which may include the prices of essential goods in a nearby market or some political events o a more serious nature. This helped in conveying the latest happening in remote areas. When travelling in groups, the hal was given by the elderly person of noble birth. This was called chehabar. To reveal or receive hal was a mark of distinction.
Mestagi was the reward for giving good news as birth of a son, news of the arrival of a lost relative or report of a victory in the battle. It was appropriate and according to the good news conveyed.