I think what GP is saying is that what people call "Waterfall" is not what Waterfall was originally defined as. https://en.wikipedia.org/wiki/Waterfall_model#Hi

I think what GP is saying is that what people call "Waterfall" is not what Waterfall was originally defined as. https://en.wikipedia.org/wiki/Waterfall_model#History https://en.wikipedia.org/wiki/Waterfall_model#History