It’s a point in space where you reach either the minimum or the maximum you’re looking for (for a mathematical function 🤓). Local means it’s only the best in a subset of the space, and there’s better elsewhere. https://image.nostr.build/8ce21b1d93f15c93fcff12de1ba2f2b7c644cfc9504e1217fb20c894a6e492f3.jpg