Consider the following organizational scheme.The species are not equally abstract at some levels of organization.But the problem could be fixed by inserting which of the following concepts? 
Definitions:
Database Title
The name given to a particular database to uniquely identify it from others, often reflective of its content or purpose.
Exclusive Mode
A setting or mode where only one user or process can access a service or resource at a time, often used in gaming or applications to provide a focused experience.
Trusting
The act or state of believing in the reliability, truth, ability, or strength of someone or something.
Recommendations
Suggestions or advice given based on analysis or expertise, often seen in consumer goods, entertainment, or software applications.
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