What is a "Citrix session"?

The Citrix web site is FILLED with advertising jargon which is impossible to wade through without boots.  
Can someone tell me what a Citrix session is when I double-click on the icon that says "Citrix session".   I get a new desktop seemingly on top of my existing desktop and a different set of icons.  That's all I know.
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David AtkinTechnical DirectorCommented:
Basically its a way of connecting to a remote server/desktop and using it as though it were the PC that you're sat at.  It gives you access to resources on the server without you having all of the data actually on your remote machine.

Its similar to a remote desktop connection but has lower requirements for bandwidth etc.

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Sekar ChinnakannuStaff EngineerCommented:
Citrix session is a session where you are working on terminal session using citrix.

Here you go how citrix session creating http://www.gunnalag.com/2011/07/20/how-citrix-xenapp-works/
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