This description is correct.
An extension is installed into Dreamweaver and a solution is a series of web pages we built usually by utilizing our extensions.
If you need more clarification, just ask.
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.