Demo

• Japanese for "but".  If you clicked on a link to get here from a ToothyWiki page (other than RecentChanges), this is probably the relevant meaning.
  
• Abbreviation for "demonstration", in software contexts: a demo of some computer software is usually a freely-distributable but time- or feature-limited version of some commercial software, intended to make people interested enough to buy the full thing.
  
• Abbreviation for "demonstration", in political contexts: when lots of people gather together to protest in the streets, against some political goings-on.
  
• Abbreviation for "demonstration", in software contexts: a program producing music and animation designed to show off the programming skills of the person or people that created it. Typically entered into competitions/conventions called [pa] [rt] [ie] [s].