“If you’re confused, don’t worry; it’s been confusing everyone for two decades, and is a frequent topic of debate. To make it simple, think of it this way: If you go to WordPress.com to sign into your site, your site content is at risk of being used to train AI models. If your site is hosted anywhere other than WordPress.com (like on GoDaddy, Bluehost, or Siteground), then you have a self-hosted WordPress site.”
https://lifehacker.com/tech/the-difference-between-wordpress-and-wordpresscom?ref=selfh.st
“If you’re confused, don’t worry; it’s been confusing everyone for two decades, and is a frequent topic of debate. To make it simple, think of it this way: If you go to WordPress.com to sign into your site, your site content is at risk of being used to train AI models. If your site is hosted anywhere other than WordPress.com (like on GoDaddy, Bluehost, or Siteground), then you have a self-hosted WordPress site.”