Naman and Vineet were childhood friends and both were working in ‘Sunshine Crockery.’ Naman was working as the Chief Executive Officer while Vineet…

Naman and Vineet were childhood friends and both were working in ‘Sunshine Crockery.’ Naman was working as the Chief Executive Officer while Vineet was the Production Manager. They would generally discuss company related issues over lunch-time or while travelling together. The company had recently received an order for supply of $\displaystyle 5,000$ dinner sets from Shaurya Hotel. It was an unexpected order and would increase the revenue of the company. This order was communicated by Naman to Vineet over intercom. Vineet executed the order within the given time period. For this, he was appreciated by Naman. The type of communication used by Naman to communicate the order to Vineet was :