 that I've always utilized is 20 intelligible words by the time they're two. And I don't mean intelligible to the parents because the parents are used to listening to their child, right? I mean, 20 intelligible words to a stranger. If you're talking to them, that should be, that is the cutoff for a speech and language delay. If they don't have that, reach out to your pediatrician and see what you can do and get that ball rolling.