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An Action hook in WordPress is a hook that is triggered at a specific time when WordPress is running and lets you take an action. This can include things like creating a widget when WordPress is initializing or sending a Tweet when someone publishes a post.

There are two types hooks are available in WordPress, action hooks and filter hooks They allow the user to, with short snippets of code, modify areas in a theme or plugin without modifying the original file.

Posts and Pages are the two content types in WP. Posts are timed and listed in chronological order with the latest posts at the top. Posts are meant to be shared and commented on. Pages are static are static content, so an about us, contact us page etc. They are permanent and timeless entries.

WordPress contents are stored in MySQL database on Server.

Bootstrap has ended up being one of the trendiest front-end systems in the entire web design industry. Before it got to be open-source, Bootstrap was firstly distinguished as a Twitter Blueprint. Bootstrap is responsive, portable to begin with, winning, and front-end structure, which is produced alongside CSS, JavaScript, and HTML. There are predefined classes in bootstrap that can be used to construct up the front end of the pages, which perfect for most browsers and across devices, in a brief length of time which generally would be an exceptionally tedious errand.