What is AOA and AON network

An aoa network diagram, or activity on arrow network diagram, uses circles and arrows.The main difference between aoa & aon is aoa diagrams emphasize the milestones (events);An arrow denotes passage of time and therefore is better suited (than a node) to.The difference between aoa and aon is that the activities are shown on arrows inthe former and on the node in the latter.The main difference between aoa & aon is aoa diagrams emphasize the milestones (events);

In contrast, the activities on nodes (aon) representation is unique.Aon networks emphasize the tasks.What is laddering in project management?The main difference between aoa & aon is aoa diagrams emphasize the milestones (events);Aon networks emphasize the tasks.