WordPress Glossary

Every WordPress term explained in plain English. Search or browse alphabetically to find the definition you need.

H

Hook

A WordPress mechanism that lets developers run custom code at specific points during execution. Hooks come in two types: actions (do something) and filters (modify data).

P

Permalink

seo

The permanent URL structure for individual pages, posts, and other content on a WordPress site. Permalinks determine how your URLs look to visitors and search engines.

Plugin

core

A software add-on that extends WordPress functionality without modifying core files. Plugins can add features like contact forms, SEO tools, security hardening, and e-commerce.

T

Theme

core

A collection of template files that control the visual appearance and layout of a WordPress site. Themes determine how content is displayed to visitors.