Fragments can use to create a dynamic and multi-pane user interface on android application. Fragment can create with the “Fragment” class, which behaves similar to a nested activity that can define its own layout and manage its own lifecycle. Fragment allows developer to break the screen into different section.

What is ASP.NET?

Active Server Pages (ASP) has been arguably the leading choice for Web developers building dynamic Websites on Windows Web servers. ASP has gained popularity by offering the simplicity of flexible scripting via several languages. That, combined with the fact that it’s built into every Microsoft Windows-based Web server, has made ASP a difficult act to follow.
Development in ASP.NET requires not only an understanding of HTML and Web design, but also a firm grasp of the concepts of object-oriented programming and development.

There are many articles are available in the web on this topic; I just want to add one more article over the web by explaining Components of .Net Framework.

Components of .Net Framework

Net Framework is a platform that provides tools and technologies to develop Windows, Web and Enterprise applications. It mainly contains two components,

Open source libraries are those libraries which are available freely and majority of these libraries support Cocoa pods. Rather than building something from scratch, we can use these readily available libraries and frameworks in our application. This save the development time and makes the source code readable. 

CodeIgniter is an open source framework for creating full-featured PHP-based web sites and applications. It is based on the MVC (Model-View-Controller) architecture and is compatible with standard shared hosting accounts, various PHP versions (including PHP4 and PHP5) and configurations. Plus, you don't have to use a command line. URLs are mapped to a particular function within a controller by means of routing. CodeIgniter also supports scaffolding which represents an automated way of generating views based on the models. Although scaffolding is designed for simple

Augmented reality(AR):

Augmented reality is the integration of digital information with the user's environment in real time. Unlike virtual reality, which creates a totally artificial environment, augmented reality uses the existing environment and overlays new information on top of it.

Augmented reality apps are written in special 3D programs that allow the developer to tie animation or contextual digital information in the computer program to an augmented reality "marker" in the real world.