The new meaning is "Chief Executive Officer," and while that is the most common use of the term in business circles, there are other ways you can look at it. Perhaps you are an accountant, a designer, or a yoga instructor, or any other type of business owner who wants to be seen as an expert in their field. There are several ways in which you can see the value of knowing the new meaning.
https://www.99alternatives.com/faqs/what-does-ceo-stand-for-.html
https://www.99alternatives.com/article/is-titanium-magnetic.html
https://www.99alternatives.com/article/how-to-calculate-bond-order.html
https://www.99alternatives.com/article/how-to-transfer-money-from-bank-to-paypal.html