Русско-англо-русский юридический словарь

This Memorandum of Understanding may be amended by mutual consent of the Parties through an Exchange of Notes between the Parties through the diplomatic channel. (parliament.uk)

She revealed that Iran had been "trying to establish a dialogue" through diplomatic channels with regional Sunni power Saudi Arabia, which is leading an international coalition trying to drive back the Houthi rebels in Yemen and restore the country's exiled president. (BBC News)

Sanctuary has a staff council with elected representatives from all parts of the business, which acts as the main channel of communication between Sanctuary employees and management functions within the Group. It provides a formal and open structure for issues to be raised and for concerns to be addressed. It also generates ideas for improvements within the business and supports employee engagement. (sanctuary-group.co.uk)

sales channel. A way of bringing products or services to market so that they can be purchased by consumers. A sales channel can be direct if it involves a business selling directly to its customers, or it can be indirect if an intermediary such as a retailer or dealer is involved in selling the product to customers. (BusinessDictionary)