conceptual model - A database modelling technique that defines the types of entities or objects which are of immediate interest and the relationships between them without being specific to any particular database semantics. Thus a conceptual model can theoretically be implemented in any type of database management system;
дс тдрлими цюлютдажкию дроемжки аиакиохдйис лидр
http://www.geo.ed.ac.uk/agidexe/term;
