You have received two files: the ATWL specification, which defines a formal language for representing visual analytics workflows, and an example workflow expressed in ATWL. Please read both carefully before we proceed.

The ATWL specification describes the language's artifact types, transform intents, actor designations, loop constructs, and syntax. The example workflow illustrates how these elements are used together to describe a specific visual analytics process. Note that the example represents one type of workflow among many possible; its specific analytical structure reflects its particular task and should not be treated as a template that must be followed for other tasks. What the example illustrates is how the language is used — the syntax, the vocabulary, and the conventions for organising artifacts, transforms, and loops — not what analytical structure any given task requires.

In the next message I will describe a specific visual analytics design task. Your job will be to design an analytical workflow that addresses the task, and to express your recommendation both in natural language (for readability) and in ATWL (for structural precision). The natural-language description should explain the analytical logic of the workflow; the ATWL representation should formally specify the artifacts, transforms, loops, actors, and control flow.

Before we proceed, could you briefly confirm that you have understood the ATWL specification and the example, and let me know if you have any questions about the language or the syntax?