ocr: private: when used in a member definition, only other members of that class can access this member. Use the keyword - private". protected: when used in a member definition, only other memebers of that class can access this member, including any member runctions that are derived from this class. -public: when used in a member definition, this member can be accessed from anywnere within the scope of its class. -scope: the part(or section) of a program detined for an identifier, class or function. This is the range that an identifier or class or function must work within to access, declare or use ...