Categories of Defect

While posting a defect we have to choose appropriate category for the defect.
If you are using any bug tracking tool, then it will be mandatory to select category for the defect while posting. Here we can see how many categories are available for a defect,

1) Functionality Issues
2) Logical Issues
3) Designing Issues
4) Flash Issues
5) Errors
6) Compatibility Issues
7) Usability Issues
8) User Interface Issues
9) Textual Errors
10)Documentation Issues
11) Validation Errors
12) Feature Additional
13) Suggestions
14) Query
15) Enhancements

If you know more categories of defects, kindly write down in comments section or send an e-mail to me.