/instəˈt(y)o͞oSH(ə)n(ə)l həˈrīzən/
- A conceptual border of a public organization, behind of which ideas conceived inside the organization fold in on themselves without having an impact on the world around the organization
- A border behind which ideas will be appropriated by the public organization. After entities cross the institutional horizon they will lose their autonomy
- The endpoint of established self organized creative projects after which the project mission and/or public perception of project begin to dictate creative work of participants and organization members.