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.
A motion like that of waves; a moving in this and that direction.
A wavering; unsteadiness.
In medicine, a wave-like motion or undulation of a fluid in a natural or abnormal cavity (e.g. pus in an abscess), which is felt during palpation or percussion.