WordPress · Website glossary

WordPress core

Quick answer · What is WordPress core?

The main WordPress software maintained by the WordPress project, separate from themes, plugins, and site content.

IN PRACTICE

WordPress core: an example

An update to WordPress itself changes core software while a form-plugin update changes an extension.

KEEP IN MIND

A current core version does not imply that every installed extension is current or compatible.

Put the idea to work

Frequently asked questions

What is a practical example of WordPress core?

An update to WordPress itself changes core software while a form-plugin update changes an extension.

Does current WordPress core mean every extension is compatible?

A current core version does not imply that every installed extension is current or compatible.

Which concepts should I read alongside WordPress core?

WordPress plugin: An extension that adds or changes WordPress functionality without modifying the core software directly.
WordPress update: A replacement of WordPress core, a theme, or a plugin with a newer released version.