What is the term for a multilevel classification system based on common properties among items

A)  script 
B)  schema 
C)  mnemonic device 
D)  conceptual hierarchy

Conceptual Hierarchy

A system of classification where concepts are arranged in a hierarchical structure based on their complexity or inclusiveness.

Script

A sequence of expected behaviors for a given situation, often described in the context of cognitive psychology to understand how individuals act in social settings.

Mnemonic Device

A tool that aids in the retention and retrieval of information through association with something easy to remember.