Flow charts may include different levels of detail as needed, from a high-level overview of an entire system to a detailed diagram of one component process within a larger system.

For program flow charts, information system flow charts, circuit diagrams and communications networks, more elaborate graphical representations are usually used. Block Diagram of a Computer ...

Pareto analysis states that 80% of a project’s results are due to 20% of the inputs, and 80% of problems can be traced to 20% of the causes.