Sentence:  The fourth <WSD>model</WSD> is called the enlightment <WSD>model</WSD>: Actors are seen to be responsible for problems but unable or unwilling to provide solutions. They are believed to need discipline provided by authoritative guidance. The Alcoholic Anonymoussic groups are considered prototypical for this <WSD>model</WSD>. 
Meaning of the word marked with <WSD> tags:  A simplified representation used to explain the workings of a real world system or event.