Attached to this blog post is a short presentation on the new enhancements to Geometric Tolerances (GTOL) in Creo 4.0 in Drawing mode.
Any questions or feedback you have related to GTOLs should be provided as comments to the blog post.
That will be the easiest way for me to keep track of the comments and also be able to provide timely responses to your questions. If you follow this post, you can be notified of those comments as well and be able to learn from what others are asking. I may also periodically update this post to add some new details or information related to GTOLs.
Also, don't forget to follow the main blog post for 2D Detailing - which will have links to other 2D Detailing-related content 2D Detailing Home: Start Here!