What is the difference between templates/demo and templates/xedemo ?

What is the difference between templates/demo and templates/xedemo?

Thanks,

Kevin Bailey

Follow-Ups:
- Re: What is the difference between templates/demo and templates/xedemo ?
  - From: Erik Huelsmann

References:
- Company details not on emailed sales invoice
  - From: Charlotte Bygate
- Company details not on emailed sales invoice - more details
  - From: Kevin Bailey
- Re: Company details not on emailed sales invoice - more details
  - From: Robert J. Clay
- Company details not on emailed sales invoice - how is the invoice built up?
  - From: Kevin Bailey
- Re: Company details not on emailed sales invoice - how is the invoice built up?
  - From: Chris Travers
- Re: Company details not on emailed sales invoice - how is the invoice built up?
  - From: Chris Travers
- Allowing Accountant access
  - From: Kevin Bailey
- Re: Allowing Accountant access
  - From: Erik Huelsmann
- Re: Allowing Accountant access
  - From: Kevin Bailey
- Do template changes affect all the databases?
  - From: Kevin Bailey
- Re: Do template changes affect all the databases?
  - From: Erik Huelsmann