Visual requirements models are one of the most effective ways to identify software requirements. They help the analyst to ensure that all stakeholders—including subject matter experts, business stakeholders, executives, and technical teams—understand the proposed solution. Visualization keeps stakeholders interested and engaged, which is key to finding gaps in the requirements. Most importantly, visualization creates a picture of the solution that helps stakeholders understand what the solution will and will not deliver. Despite this fact, many business analysts and product managers continue to create nonvisual requirements using spreadsheets or documents listing thousands of line items. These unwieldy documents are overwhelming, ...

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