The command `npx create-next-app@latest ai-trainer-app` does the following: 1. **`npx`**: This...

The command npx create-next-app@latest ai-trainer-app does the following:

1. npx: This is a package runner tool provided by npm. It allows you to run npm packages without globally installing them.

2. create-next-app@latest: This specifies the package create-next-app (the official CLI tool to bootstrap a Next.js application). The @latest ensures that you're using the most recent version of the create-next-app package.

3. ai-trainer-app: This is the name of the folder/project that will be created. It will also set this as the name of the application in the configuration files.

Overall Function:

The command creates a new Next.js application in a folder named ai-trainer-app. It sets up the project with all the necessary boilerplate and dependencies required to get started with a Next.js application. You'll be ready to build modern server-side rendered React applications using Next.js.