What Is Drupal CMS? A Straight Answer About the Distribution
Drupal CMS is a pre-configured distribution of Drupal, not a separate product. Here is what it changes, what it does not, and who it suits.
Coming Back to Drupal as a Site Builder: What Changed
If you left Drupal during the version 8 transition, here is an honest check on which of your objections still hold in Drupal 11.