A reactor is similar to an app or a website. You can add mods to reactors and well... let them react :)
Meta info:
{{Can link from User(s) as Owner,Contributor,Fan}}
{{Has DslDomain(s)}}
{{Has DslElement(s)}}
{{Has DslData(s)}}
{{Can link from ReactorTemplate(s) as Template}}
{{Property label.Like=Like}}
{{Property label.Unlike=Unlike}}
{{def:countPages}}
{{def:countUsers}}
{{def:ownedReactors}}