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.
Exertion or contention for superiority, either by physical or intellectual means.
A trouble of any kind.
Striving; earnest endeavor; hard work.
Bitter conflict, sometimes violent.