OpenDX is:

1. a visual programming language
2. a general-purpose visualization tool
3. a data model
4. a way of organizing and thinking about data
5. all of the above

(Correct answer: 5).

OpenDX is not:

1. a traditional programming language
2. a special purpose analysis software
3. a paint program
4. a graphing/plotting program
5. a very good modeling or animation program
6. a very good renderer

(That's right, circle all the above.)

Let's elaborate on each point in the lists.