graph value-time curve Philippe Rocca-Serra a value-time curve is a graph which plot time on the x-axis versus the value of a variable of interest as delivered by a process. It is used to represent the relationship there is the value and the time it takes to achieve that value. It is commonly used in project management or business analysis to evaluate and optimize how efficiently value is delivered over time. adapted from ChatGPT using the prompt: "what is a value-time curve?" ready for release