What are tools to extend the functionality of WordPress?

How would you troubleshoot the error message: 'Database not connected.'?

Which plugin is used for the contact form

How can you add a plugin to your WordPress site?

WordPress Widgets are designed to do the following:

Which is required in a child theme. What is it?

Akismet is a plugin that comes automatically installed with WordPress. What does it do?

In WordPress, what is true of plugins?

How many minutes does it take to install WordPress according to the "Famous X-Minute Installation" instructions on WordPress.org?

The REST API is a simple way to get data in and out of WordPress over HTTP. Applications using the REST API should be written in which programming language?

What is the name of the open-source project that serves as a bug tracker and project management tool for WordPress?