These are the icons and their meanings:  

Available Available - Your hosted products are available and functioning normally.

Planned Maintenance Planned Maintenance - We have scheduled your product for routine maintenance such as an upgrade or patch. During the noted time, you may not have access to your hosted product. 

Informational Informational - We have detected an issue and are actively investigating but have not yet determined the overall impact.

Problem Problem - We have confirmed functionality of a hosted application is not performing as expected and is impacting multiple clients. We are actively working on a resolution.

Critical Critical - We have confirmed a hosted product or major functionality is unavailable, and we are actively working on a resolution.