What is a web browser?
A web browser is an application graphical user interface window that allows you to interact with content from the internet.  It is used for accessing websites and there are many web browsers available today like mozilla firefox, google chrome, microsoft edge, and safari.  When a webpage is requested by the web browser files and data are retrieved from the web server and  then rendered as a webpage through the web browser.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.
### Instruction: What is a web browser?
### Input: 
### Response: A web browser is an application graphical user interface window that allows you to interact with content from the internet.  It is used for accessing websites and there are many web browsers available today like mozilla firefox, google chrome, microsoft edge, and safari.  When a webpage is requested by the web browser files and data are retrieved from the web server and  then rendered as a webpage through the web browser.