Category – Categories can be used to sort and group your blog posts into different sections. For example, a news website might have categories for their articles filed under News, Opinion, Weather, and Sports.
Child Theme – A child theme in WordPress is a sub theme that inherits all the functionality, features, and style of its parent theme. Child themes are a safe way to modify a WordPress theme without actually making any changes to the parent theme’s files. When the parent theme gets updated, changes made in the child theme are preserved and applied on the updated version as well.
Content Management System (CMS) – A CMS facilitates creating, editing, organizing, and publishing content. WordPress is a Content Management System, which allows you to create and publish your content on the web.
CPanel – cPanel is an online control panel to simplify website and server management. cPanel allows you to publish websites, manage domains, organize web files, create email accounts, and more.
Featured Image – The Featured Image is a WordPress theme feature which allows theme developers to add support for using a representative image for posts, pages, or custom post types.
Gallery – A gallery in WordPress is a collection of photographs, illustrations, product images, or videos displayed in a variety of rows and columns.
Gutenberg – Gutenberg is the newly developed WordPress editor. It uses blocks to create all types of content.
Home Page – The home page is the main page of a web site. It is often used in the navigation menus and other user interface elements of the website to direct users to the main page. By default, a WordPress website shows a home page with your latest posts listed in reverse chronological order. Users can, however, choose to use a static page as their custom home page.
Media – Media is a tab in your WordPress admin sidebar which is used to manage user uploads (images, audio, video, and other files). Under the Media menu, there are two screens. The first screen Library lists all the files in the media library. These files can be edited and deleted from the library. The second screen is Add New, which allows users to upload files without attaching them to a specific post or page.
Page – A Page is often used to present “static” information about yourself or your site. Pages are typically “timeless” in nature and live “outside” your blog.
Post – Posts are articles that you write to populate your blog.
Plugin – A plugin can extend functionality or add new features to your WordPress websites. As a site administrator, you can install/uninstall plugins from the admin area.
Tag – Users can add tags to their WordPress posts along with categories. However, while a category may cover a broad range of topics, tags are smaller in scope and focused to specific topics. Think of them as keywords used for topics discussed in a particular post.
Text Editor – The post edit screen in WordPress comes with two editors to write posts, Visual and Text. Unlike the visual editor, the text editor requires you to add any formatting such as italics, alignment, and spacing manually using HTML.
Theme – A theme is a collection of templates and stylesheets used to define the appearance and display of a WordPress site. Themes can be changed, managed, and added from the WordPress admin area under Appearance » Themes. Each one comes with a different design, layout, and features.
Visual Editor – The WordPress post edit screen has two editors, Visual and Text. The visual editor is a WYSIWG editor. WYSIWIG stands for “what you see is what you get” which means that however the content shows up on your display is exactly the way it will be when it is published.
Widgets – Widgets are blocks of content that you can add to your site’s sidebars, footers, and other areas. Each widget can add a feature or function to your site, without having to write any code. Common widgets to add to your site are menus, popular post lists, calendars, banner ads, social icons, and more.
Definitions adapted from: