There are several stages of learning:

Introduction or Orientation: This is the initial stage of learning, where the learner is introduced to the subject or topic.

Acquisition: During this stage, the learner acquires new knowledge and skills through practice and repetition.

Proficiency: The learner becomes proficient in the subject or skill and is able to apply it with ease and confidence.

Expertise: The learner becomes an expert in the subject or skill and is able to teach it to others.

Mastery: The learner has achieved complete mastery of the subject or skill and is able to use it in a variety of contexts.

In Engpsh, these stages could be referred to as:

Introduction or Orientation
Acquisition
Proficiency
Expertise
Mastery