What's the difference between JIRA Software and JIRA?

Thangavel VELUCHAMY

in JIRA 6.3.15 , when I create a project I am presented with 7 options.

1. Sample issue Tracking
2. Service Desk
3. Software development
4. Project management
5. JIRA Classic
6. Agile kanban 
7. Agile Scrum 

Could you please explain what is the difference between "Service Desk and Project Management" and what are the features are configured in this two types.

Pedro Felgueiras

You can check the information about diferente projects on this page 

https://confluence.atlassian.com/adminjiraserver/jira-applications-and-project-types-overview-938846805.html