Part 1 Purposes. Principal bilateral diplomacy functions are presented as: promotion, outreach, feedback, management and servicing. These are examined in relation to political diplomacy, the security dimension of diplomacy, economic diplomacy, and all the other work areas such as culture, media, education, science and technology, consular affairs and the new dimensions of “public diplomacy”. Parts II Institutions. The principal among these are: the foreign ministry, the embassy and the consulate general, joint commissions and other groups, and bilateral summits between leaders. Parts II Methods. The skills and techniques cover diplomatic reports and documents, bilateral negotiation, cross-cultural communication, diplomatic signaling, and finally performance enhancement aimed at optimizing the entire system. Conclusion