WordPress Certified Editor Practice Exam 2025 – The All-in-One Guide to Master Your Certification!

A child theme in WordPress is defined as a theme that inherits the functionality of another theme. This relationship allows users to build upon and customize an existing parent theme's features without losing the ability to update that parent theme. When using a child theme, any modifications—be it custom styles, templates, or functions—are stored separately, ensuring that the original theme remains intact. This is particularly valuable for users who want to enhance or alter a theme's appearance or behavior while still being able to benefit from the new updates and features provided by the parent theme.

By utilizing a child theme, a developer can make specific changes that will not be overwritten when the parent theme receives an update, thus preserving customizations and maintaining functionality. This approach maximizes flexibility and minimizes maintenance burdens, making it an essential practice for WordPress development.