elaboration
n.n. the process of adding more details to an idea or a system to make it more complete or complex. In computing, it often means making a simple system more advanced.
n. the process of expanding on a concept or system by adding more details, complexity, or functionality. In a technical context, it refers to the refinement of a basic design into a more sophisticated one.
The new software update includes the elaboration of the user interface.
The architect's initial sketch was followed by a detailed elaboration of the building's structural supports.
The elaboration of the original theory required decades of experimental data to account for the observed anomalies in the system's behavior.
From Middle French élaboration. Morphologically elaborate + -ion.