It appears you are referencing a diagram of Rostow's development model, but I can't see the image or diagram you are mentioning. However, I can give you a summary of Rostow's model, which consists of five stages of economic growth:
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Traditional Society: Characterized by subsistence agriculture and limited technology. This stage features a static economy with little to no development.
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Preconditions for Take-off: The society begins to invest in infrastructure, such as transportation and communication systems, as well as education and to some extent, improves agricultural productivity. This stage sets the stage for industrialization.
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Take-off: This is where significant growth occurs. Industry begins to flourish, there is rapid urbanization, and society experiences technological innovation. This stage is marked by a shift to manufacturing and investment in capital goods.
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Drive to Maturity: In this stage, the economy diversifies and improves in terms of technology and production. A range of industries develops, and there’s an increase in the standards of living and economic growth becomes self-sustaining.
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Age of High Mass Consumption: At this final stage, the economy shifts toward consumer goods, and a majority of the population enjoys a higher standard of living, wealth distribution improves, and services dominate the economy.
If you have specific questions related to Rostow's model or the diagram, feel free to ask!