An understanding between entities to follow a specific course of conduct.
Rules that exist in many languages that force some parts of a sentence to be used or inflected differently depending on certain attributes of other parts.
A legally binding contract enforceable in a court of law.
A state whereby several parties share a view or opinion; the state of not contradicting one another.
Cooperation between commercial competitors for their mutual advantage.
Conflict over how to divide up the benefits produced by cooperation, as for example in labor-management relations.