What's the difference between Armani Exchange and Armani?

Is Armani Exchange an outlet of Armani, or a cheaper version? Are A|X clothes Armani?|||Yeah armani exchange is more wearable casual clothes that arent nearly as expensive as the actual armani things. I love armani exchange!|||OMG how can you not know this! Well, Armani has 4 lines. The most expensive one is Giorgio Armani, 2nd, Emporio Armani, 3rd, Armani Collectionz, Armani Exchange. Hope this helps!|||Armani exchange is a cheaper range, targeted for teens mosly, but is not designed by him. It is armani, but based in USA and basically trades under his name. Not real cool.|||Armani Exchange is more casual and cheaper, but the quality is the same.|||ax clothes are armani they are similar to the just cavalli, d%26amp;g or hugo by hugo boss lines, it is a less expensive younger more casual line