Oh, yes, what you say sounds very familiar to my current writing on Nihilo. Having said that, I generally have flowchart-style writing only for the actual dialogue trees; when it's to do with area/item description, I tend to just wait for my partner, Giznads, to develop the area of a game and send me a screenshot/demo. Then I label all of the objects in the screenshot, Ctrl + V it in Word and write descriptions underneath. Whatever works, I guess.