The concept and ontology of administrative reform

the article is devoted to the theoretical comprehension and representation of the administrative reform. According to the author's approach, administrative reform is a permanent and multifaceted integral element of the public administration ontology. The author explains the reasons for activating the administrative reform. The article reveals the concept of design of the public administration system. The author explains the functional-target load of the administrative reform, its heterogeneity in relation to time. The article presents detailed descriptions of the main directions of the administrative reform. The author provides visualizing models of the meta-process of administrative reform, including a schematic representation of the “hilly landscape” visually displaying the meta-process of administrative reform. According to the author's concept, such representations of administrative reform are needed to create digital twin models that allow for preventive testing and testing of certain designed solutions and measures of administrative reform, in one direction or another of its implementation.