With WordPress. org, You host your own blog or website.
WordPress.org is where you’ll find the free WordPress
software that you can download and install on your own
web server. Getting your WordPress site set up involves
purchasing a domain name, buying a hosting plan, and
then installing WordPress on your server. Most hosting
companies provide instructions or services to install
WordPress for you.

WordPress. com, on the other hand, takes care of all of
the hostings for you. You don’t have to download software,
pay for hosting, or manage a web server.

WordPress. com. It’s free and easy to set up and you have
lots of options for customizing your site.

hope your concept is cleared

Thank you so much.