Can we call a CMS like Drupal Machine Learning?
No: a CMS, like many other software tools, processes data. But this process is predefined, it's not &quot;learnt&quot; from the data.
Machine Learning is supposed to involve at least one step where the system &quot;learns&quot; from the data, i.e. uses some algorithmic process to determine the characteristics (patterns) inside the data. In supervised learning there is a specific training stage where the model &quot;learns&quot;, which is followed by a testing stage where the model is applied to some new data. In unsupervised learning, learning and applying happen in a single stage: the model discovers the patterns and directly produces an output based on these pattern.