adjective
introductory
in-truh-DUK-ter-ee/ˌɪntrəˈdʌktəri/
Providing a first introduction to something.
The introductory pottery lesson starts with a simple hollow in a ball of clay.

Etymology
Something introductory serves to “lead in”: it brings a learner into a subject through an initial explanation or basic presentation. The same image underlies an introductory textbook.
In context
hello web app is an introductory into Django and I aimed it at non programmers and designers and people who are used to using the website
More examples
- He enrolled in an introductory course in astronomy.
- She offered a brief introductory remark.
- The introductory lesson assumed no prior experience.
Forms
introductory
introduction noun — a first presentation or explanation
Similar words
- preliminary
- Preliminary comes before the main activity; introductory also acquaints a beginner with a subject.
- basic
- Basic concerns fundamentals; introductory is designed as a first encounter.