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Parametric is something which derived dimension from 3D model.
Both software are parametric
Pro-E otherwise know as CREO which is parametric software where 3D model is created from detailing is created.
Autocad is also a parametric software but not to that extend of Pro-e OR CREO act as parametric. You can find a lot but below is a path from one example
http://www.engineering.com/DesignSoftware/DesignSoftwareArticles/ArticleID/11474/Introduction-to-Parametric-Drawing-in-AutoCAD.aspx
