# Learn Langstack Throughout the Learning Langstack tutorial, the reader is provided a step-by-step introduction to Langstack visual programming language. The tutorial touches on essential modules and application templates in Langstack, arranged in detailed step-by-step chapters. These chapters explain and illustrate the required knowledge progressively, enabling the reader, with each chapter covered, to produce applications and Langstack content. It is advisable to go through the chapters of this tutorial sequentially, especially in the beginning when the core concepts are covered. Though each chapter is independent, some chapters assume prior knowledge of items explained in earlier chapters. In case readers need more information on a specific feature, they can follow the links to our Reference and manual documentation in the training manual. These sets of documentation cover the topics in further detail. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.langstack.com/welcome/get-started/learn-langstack.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.