Shortcodes in Wordpress are small snippets of text that you can enter into a post or page body which trigger a larger function to run at that position. It’s the equivalent of inserting a program ...

How to Activate WordPress Widgets. Adding widgets to your WordPress-powered business website can help bring the site to life for your customers by offering interactive features and dynamic content ...

You would not use "widget_search," because that only applies to the "Search" widget. Log in to your WordPress blog and click "Appearance" on the sidebar to expand the Appearance sub-menu.