WordPress is an open source Content Management System (CMS), which allows the users to build dynamic websites and blog.
  • User Management
  • Media Management
  • Theme System
  • Extend with Plugins
  • Search Engine Optimized
  • Multilingual
  • Importers
The Quick Draft is a mini post editor allows writing, saving and publishing post from admin dashboard. It includes the title for the draft, some notes about your draft and save it as a Draft.
WordPress is safe and secure to operate. You need not to worry about anything but still it is suggested to update your site with latest WordPress version to avoid hacking.
Here 23 specifies the octal 23 and x23 specifies the hex 23.

Hooks enable users to create WordPress themes or plug-ins with shortcode without changing the original files.

There are two types of hooks:

Action hooks: Action hooks facilitate you to insert an additional code from an outside resource.

Filter hooks: Filter hooks facilitate you to add a content or text at the end of the post.

$wpdb is a variable that stores the WordPress database object. It can be utilized to perform custom database activities. It gives the most secure intends for WordPress database.
Wordpress.com is relatively more secure than wordpress.org because they limit the themes and does not allow plugin’s installation. However, security depends on the hosting company of your website and also what steps they are taking to prevent the security problems.
Posts allow you to write a blog and post it on your site. They are listed in reverse chronological order in front page of your blog.
Pages are different from posts. They are static and they do not change often. You can add pages containing information about you and your site.

WordPress posts are content published on a site with an exact date and time. They can be categorized in a systematic way on the basis of category and tags. They are listed in a reverse chronological order on a site.

WordPress pages are static and does not change frequently such as contact us, about us, privacy policy, etc. They don?t have date and time published, however, database stores their published date and time.

You can disable the WordPress comment on dashboard. On the dashboard, under the options- discussion you will find “Allow people to post comment”. Uncheck this to disable comment.
If you don’t want a comment from a new user on your blog, check the option “Users must be registered and logged in to comment” from Discussions under the Settings option.
Word Avatar is used for user’s profile image in online communications. Gravatar is a web based service which allows its users to use Avatar image.
  • Install security plug-ins like WP security
  • Re-install the latest version of WordPress
  • Change password and user-ids for all your users
  • Check your themes and plug-ins are up to dat
Categories allow a user to divide its content into different sections. Different topics publishing in a single website can be divided into different categories. It tells a reader what a post is about and they can easily find their content from a lot.
WordPress provides you an option to change category into tag and tag into category. For this you need to install Categories and Tags Converter from Import option under Tools section.
With the help of tags, similar posts can be grouped together. Hence, it makes easier for the users to search a particular post. Tags are similar to categories but still different..

WordPress Categories are broad-ranging. It helps a user to identify what a blog is about. It is possible for a post to have more than one category. A post must have at least one category.

WordPress Tags are like categories but they are used to describe a post more specifically. Tags are not necessary for every post.

WordPress plugins are programs written in PHP scripting language that extends the functionality or add some new features to a WordPress site. They provide additional functions to an application..

Yes, it is possible to rename the WordPress folder. If WordPress is already installed, you have to log in to the weblog as the administrator and then change the settings

WordPress address (URI) :

Blog address( URI)

After making the changes, you can rename the folder or directory with the WordPress file in it.

There are about 11 tables in WordPress by default. Note: With succeeding releases of WordPress this number will change. You need to check phpMyAdmin to determine the number of tables in a vanilla version of latest WordPress installation
Yes, WordPress has cookies, and WordPress uses cookies for verification of users while logged in.
You can’t see your plugin menu when the blog is hosted on free wordpress.com as you cannot add plugin there. Also, if you do not have an account of an administrator level on your WordPress is not possible to see the plugin.
Some WordPress users want their WordPress installation to be more than a blog site. To give their page a look more like a real website page some users use static front page.
No, de-activated plugins cannot slow down the WordPress site. WordPress only loads the active plugins and ignores everything else

We cannot recommend WordPress in the following situation:

  • If the client is working on a non-CMS base project
  • If a site wants complex or innovative e-commerce
  • In case of enterprise intranet solution
  • Sites are requiring custom scripting solutions.
The child theme is an extension of the parent theme. If you make changes to the main/parent theme, any update will undo the changes. With a child theme, the customizations are preserved on an update.
Keeping all the limitations in mind, WPML would be the best multilingual plugin for WordPress.