Identify key features of widely used business application programs?

There are several key features of business applications:

• The ability to input data
  
• The ability to edit data
• The ability to connect content to various profiles

The Google Apps suite is a good example of typical business apps:

Well designed, purpose built for entering data, displaying or presenting it, and customizing reformatting or editing it.

Also ease of sharing or exporting information, and connectivity to social media and other networks is a very common feature of most business applications these days: Everything from project management software through to invoice creators and more!

It really depends on the type of business you're in and which category your application falls into.

I would say features like ease of navigation, good interface,