Say hello to Lovely Charts, a Web-based tool that lets you whip up flow charts right inside your browser. You can get started with LC by signing up for a free account, which requires nothing more ...

Logical data flow diagrams illustrate how data flows in a system, with a focus on the business processes and workflows. With a focus on how the business operates at a high level, logical data flow ...

Checking and rechecking are also necessary, as an incorrect diagram can create serious errors. Examples of errors include forgetting to include a data flow or pointing an arrow in the wrong direction.