It's not defined very clearly in the article, but they seem to use the definition from an earlier article: >"Positive fantasies about the future are positively

It's not defined very clearly in the article, but they seem to use the definition from an earlier article: >"Positive fantasies about the future are positively experienced mental images of future desired events that emerge in the stream of thought ... They depict an idealized version of the future that may include the attainment of desired future outcomes, as well as smooth, idealized processes of working toward these outcomes." Kappes, H. B., & Oettingen, G. (2011). Positive fantasies about idealized futures sap energy