A state whereby several parties share a view or opinion; the state of not contradicting one another.
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.
An understanding between entities to follow a specific course of conduct.
The state of being in harmony or agreement; harmonious agreement or togetherness, synchronisation.
A sound or note having the same pitch as another, especially when used as the base note for an interval; a unison string.
Identical pitch between two notes or sounds; the simultaneous playing of notes of identical pitch (or separated by one or more octaves).
Two or more voices speaking the same words together.