[1]

CompositionCloud
a virtual space for storing, processing, and sharing (compositional) ideas.

(compositional) ideas
outcomes and/or conceptions of (compositional) activities.

[2] placing composition in parentheses

(compositional)
of or pertaining to an extended concept of composition, informed by the blurring between art and life, and by the notion of art as life: art as something ungraspable and indefinable.

[3] from OED

compositional
Of or pertaining to composition.

composition
I. [As an action]
1. The action of putting together or combining; the fact of being put together or combined; combination (of things as parts or elements of a whole).
2. The forming (of anything) by combination of various elements, parts, or ingredients; formation, constitution, construction, making up.

(9. The action or act of composing music.)

[4]

CompositionCloud
an abstract rhizomatic space containing different ideas to be used in modular ways to create art, mostly in the realms of sound and music, but not necessarily.

CompositionCloud
a growing network of graphic, verbal, dynamic, and interactive scores and music games; self-made musical instruments and installations; methods of collaboration and participation; and writings that aim to describe and reflect on the project.

 
see also Introduction to CompositionCloud.