Need a language whiz: An XML Schema "specifies" how data is to bestruct

["Costello, Roger L." <costello@mitre.org>]

Hi Folks,

 

Which of the following is most accurate and why?

 

1. An XML Schema specifies how data is to be structured.
2. An XML Schema describes how data is to be structured.
3. An XML Schema states how data is to be structured.
4. An XML Schema constrains the structure of data.
5. An XML Schema structures data.
6. An XML Schema describes data.
7. An XML Schema constrains data.
8. Other (what?)

 

/Roger