The document describes a class diagram for a school management system with the following classes: Student, Employee, Examination, Accounts, and Show. The Student class stores student information like name, age, roll number, class, and contact details. The Employee class models employee data such as name, type, designation, salary and contact information. The Examination class keeps student exam results linked to their name, roll number and class. The Accounts class manages fee and expense records. And the Show class displays student records, employee information, fees and expenses.