Lightning Concepts

Salesforce Lightning

Salesforce Lighting Expirence is a modern, fast and Intelligent User Interface built and Integrated with Salesforce1 Mobile Application.
Salesforce1 have been Introduced for Mobile Application and for Desktop User Interface, we have Salesforce Classic view and Salesforce Lightning view.

What is Salesforce Lightning Component Framework  

Salesforce Lightning Component Framework is a User Interface (UI) Framework developed to create dynamic Salesforce Web Applications for Mobile and Desktop devices.

A Salesforce developer, builds Lightning Components and Salesforce administrator, assembles Lightning Components and create  Lightning Page.

Salesforce Lightning Page will be a Record's Detail Page, Home Page or a Page used in Salesforce.