- Argument Syntax - Explanation of the syntax conventions used in command synopsis.
- Global parameters - Variables defining how a command is executed, including which WordPress user the command is run as and which WordPress instance the command is run against.
- Built-in commands - Commands included in every copy of WP-CLI.
- Internal API - Stable utilities considered safe to use in community commands.
- Documentation standards - Standards for annotating WP-CLI commands.
- Exit codes - Guidelines for using and documenting exit codes in WP-CLI commands.
- Hosting companies - List of hosting companies where WP-CLI is installed by default.
- Shell friends - Helpful shortcuts for bash and zsh.
- Integrated tools - Plugins, wrappers, and other projects that integrate with WP-CLI in some form.