System of Concepts and Beliefs
This page is the CodyCross answer for the clue below from The 70's, Group 324, Puzzle 3 (Janis Joplin).
Question is: System of Concepts and Beliefs
and the answer is: IDEOLOGY
Word Meaning:
IDEOLOGY — Doctrine, philosophy, body of beliefs or principles belonging to an individual or group.
Definitions from Wiktionary.