Back-and-forth.
Two-way mode, conversation.
ߌߟߊ߫ ߞߊ߲ ߡߍ߲ ߝߐ߫ ߟߊ߫߸ ߏ߬ ߟߴߊ߬ߟߎ߬ ߡߍ߲߫ ߠߊ߫. ߞߊ߲߫ ߠߎ߬ ߟߊߓߐ߫ ߢߐ߲߯ߠߊ ߞߊ߲߫ ߁߀߀ ߘߐ߫ ߛߌ߲߬ߓߊߟߌ ߟߊߘߏ߲߬ ߢߊ ߛߐ߬ߘߐ߲߬، ߌ ߟߊ߫ ߓߙߊߥߐ߫ (browser) ߘߊߦߟߍ߬ ߞߊ߬ ߘߊ߫ ߝߐ߫.
ߘߐ߬ߛߙߋ߬ߟߌ ߘߊߡߌ߬ߣߊ߬ ߝߏߦߊ߫
