Basic Sitecore jargons and few tips for Content Authors

It's been few days that I have been exploring the CMS and trying to understand Sitecore and its basics. Few of which I found that would be helpful to all have been listed down.

What is Sitecore?Sitecore is a CMS (Content Management System) and it organizes its content in a hierarchical tree structure on the left which could be referred as Content Tree. The content tree makes it possible to navigate through all the content on the website. Each of the entry in the below tree structure is an Item.