Answer:
c) Flow diagram.
Step-by-step explanation:
Flow diagram also known as a flowchart can be defined as a visual representation or an activity diagram which is typically used to illustrate or demonstrate the simple sequence of actions or movements within a complex process and workflow. A Flow diagram would be best to draw out the movement of people or material.
Generally, a flowchart or flow diagram makes use of symbols such as rectangle, oval, diamond, arrow to represent the steps, flow or sequence of a complex system.