Used as a collective to denote a number of things, qualities, etc., different or distinct in character… With the.

concrete. A heterogeneous assemblage.

an assemblage as numerous and diverse as that which Noah's ark contained.

In extended use: a mixture, blend, or medley of various elements; a pastiche, miscellany; (also) the process of making such a mixture.

figurative. A medley, miscellany; a rich variety or selection.

In extended use: a person who or thing which comprises a highly varied mixture of elements; (esp. in Indian cinema) a lengthy film musical…