Ans. Conceptual indexing makes use of the content or meaning associated with the stored entities rather than some non-meaningful key value. This suggests the use of indices, which name and define or otherwise describe the entity being retrieved. Thus, if the entity is an object, its name and characteristic attributes would make meaningful indices. If the entity is an abstract object such as a concept, the name and other defining traits would be meaningful as indices.

The following figure shows an example of an indexed network.

The concept of computer science (CS) should be accessible directly through the CS name or indirectly through associative links like a university major, a career field, or a type of classroom course.