A group of persons associated for a common purpose; an organization; society.
The state of being associated; a connection to or an affiliation with something.
Relationship between classes of objects that allows one object instance to cause another to perform an action on its behalf.
A benevolent overseas Chinese organization of popular origin for overseas Chinese individuals with the same surname or trade or business.
The act of associating.
Any relationship between two measured quantities that renders them statistically dependent (but not necessarily causal or a correlation).
A group of four people or things, particularly
A group of four musicians who perform classical music together.
A group of four singers, usually males, who sings together in four-part harmony.
A musical composition in four parts, each performed by a single voice or instrument.