# Concepts In this lesson, you will learn about the **basic concepts** of **Mixed Reality** and explore the **applications of Mixed Reality** in different **industries**. Read through the questions below. If you feel comfortable with the answer, feel free to skip to [project](/mixed-reality-docs/lessons/lesson1/project.md) section or next chapters. * [What is Mixed Reality? ](/mixed-reality-docs/lessons/lesson1/concepts/what-is-mixed-reality.md) * [What is the difference between Augmented Reality, Virtual Reality and Mixed Reality?](/mixed-reality-docs/lessons/lesson1/concepts/what-is-the-difference-between-augmented-reality-virtual-reality-and-mixed-reality.md) * [Why is Mixed Reality important?](/mixed-reality-docs/lessons/lesson1/concepts/why-is-mixed-reality-important.md) * [Will mixed reality replace our phones and PCs?](/mixed-reality-docs/lessons/lesson1/concepts/will-mixed-reality-replace-our-phones-and-personal-computers.md) * [How do I decide if I need to develop for Virtual Reality or Augmented Reality?](/mixed-reality-docs/lessons/lesson1/concepts/how-do-i-decide-if-i-need-to-develop-for-virtual-reality-or-augmented-reality.md) * [What are some use cases for Mixed Reality applications?](/mixed-reality-docs/lessons/lesson1/concepts/what-are-some-use-cases-for-mixed-reality-applications.md) * [What are some examples of Mixed Reality Applications?](/mixed-reality-docs/lessons/lesson1/concepts/what-are-some-examples-of-mixed-reality-applications.md) * [What is Mixed Reality Toolkit(MRTK)?](/mixed-reality-docs/lessons/lesson1/concepts/what-is-mixed-reality-toolkit-mrtk.md) --- # 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://www.xrdev.app/mixed-reality-docs/lessons/lesson1/concepts.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.