Answer Plugins allows extra functions to operate in WordPress. WordPress plugins use hooks which are placed throughout the WordPress code. They allow plugins to do the following:
• Insert things (text, images, social media links, etc.) above or below a post’s content
• Change RSS feed content
• Add things like new <meta> tags to a page’s <head> area Display information from other sites or services
• Add widgets
• Add options to existing Settings screens, or create whole new Settings screens
• Add extra fields to posts and pages
• Create new post types and taxonomies
• Send extra email notifications
• Change user roles
• Change administration menus
• Add Dashboard widgets
• Add importers for other blogging formats or services