Phlegm originates from the lungs. It is different from the mucus that is produced in the nasal passages. A common cause of phlegm is post nasal drip which is a symptom of sinus infections, colds, flu and inhalation of irritants. The diagnosis of the underlying condition could be made from the color of the phlegm.
A flow chart is a type of diagram representing a process using different symbols containing information about steps or a sequence of events. Each of these symbols is linked with arrows to illustrate the flow direction of the process.
Audit Flowchart Shapes. Process represents a step in your process. Predefined process indicate a set of steps that combine to create a sub-process that is defined elsewhere, often on another page of the same drawing. Decision indicates a point where the outcome of a decision dictates the next step.