ଅର୍ଥ : An artifact (or system of artifacts) that is instrumental in accomplishing some end.

ଅର୍ଥ : The act of providing or using the instruments needed for some implementation.

ଅର୍ଥ : The instruments called for in a musical score or arrangement for a band or orchestra.

ଅର୍ଥ : The act of arranging a piece of music for an orchestra and assigning parts to the different musical instruments.