This paper defines a catalog of distribution primitives for Distributed User Interfaces. These primitives are classified into four categories and represents operations that the developers and/or the users can executes to distribute the UI.
Melchior, J., Vanderdonckt, J., & Van Roy, P. (2011). Distribution Primitives for Distributed User Interfaces. Human-Computer Interaction Series, 23-31. https://doi.org/10.1007/978-1-4471-2271-5_3 (Original work published 2011)