What generally is diplomacy?

What generally is Diplomacy?

Brian White has defined diplomacy as a communications
process between international actors (example: sovereign states) that seeks through negotiation to resolve conflict short of war. This process has been refined, institutionalized and professionalised over many
centuries.

2 In foreign policy, diplomacy refers to the use of a policy
instrument, possibly together with other instruments such as
military force, to enable an international actor to achieve
its policy goals.

1 Diplomacy is as old as human history. When human societies interact with
one another, disputes do occur. Diplomacy emerge as an instrument to settle
disputes, and to rebuild mutual trust and...