# Explanation of all folders that result from a standard Magento installation:

projectSrc
└── app # Local and locally-installed third-party modules
└── bin # Helper scripts
└── dev # Built-in dev and testing tools
└── generated # Code generation artifacts
└── lib # Frontend libraries and scripts
└── phpserver # Server configuration for built-in web server
└── pub # Default home for web server requests & static assets
└── setup # Directory for web installer scripts
└── update # Directory for web updater scripts
└── var # Cache directory for temp files (logs, sessions, etc.)
└── vendor # Build artifacts from composer & third-party code
    └── magento # All code specific to Magento
        └── framework # Magento Framework
        └── module-* # Magento Core Modules
        └── theme-* # Magento Core Themes