# 3. Directory Structure

```
|-- contracts
|-- migrations
|-- truffle-config.js
|-- static  
|-- src  
    |-- styles
    |-- klaytn
      |-- caver.js
    |-- components
      |-- BlockNumber.js
      |-- Auth.js
      |-- Count.js
    |-- index.js
    |-- App.js
    |-- routes.js
```

`contracts/`: Contains Solidity source files of the smart contract.

`migrations/`: Contains JavaScript files that handle smart contract deployment.

`truffle-config.js`: Truffle configuration file.

`static/`: Contains static files such as images.

`src/styles`: CSS definition files.

`src/index.js`: Our tutorial app's index file. ReactDOM.render logic is here.

`src/App.js`: Our tutorial app's root component file.

`src/routes.js`: Contains route definitions.

`src/components`: Contains frontend component files.

* `src/components/BlockNumber.js`: Shows the current block number.
* `src/components/Auth.js`: Handles user login using either private key or a keystore with password.
* `src/components/Count.js`: Handles interaction with the deployed Count contract. Invokes contract functions using caver.js.

`src/klaytn`: Contains files that support interactions with the Klaytn.

* `src/klaytn/caver.js`: Instantiates caver-js. caver-js is a JavaScript RPC call library that helps connect to a Klaytn node and interact with the node or smart contracts deployed on Klaytn.


---

# 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://archive-docs.klaytn.foundation/content/dapp/tutorials/count-dapp/3.-directory-structure.md?ask=<question>
```

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.