You can ask it questions about the type of data, like credit card, SSN, and purchase address. And then you say, all right, sales data dot sketch dot ask, can you give me a friendly name for each column? It output this as an HTML list, which is parsed as HTML and rendered in Jupyter notebook,. So it says index, well, that's an index. The names are like order, spat, space, date, right? Instead of order, like maybe lowercase, oh, and then attached to big D or whatever.