Go Back to Here When a Plan Doesn't Work
This page is the CodyCross answer for the clue below from Prehistory, Group 1260, Puzzle 2 (Tin and Copper).
Question is: Go Back to Here When a Plan Doesn't Work
and the answer is: SQUAREONE
Word Meaning:
SQUARE ONE — (idiomatic) The place where one begins; a lack of progress.
Definitions from Wiktionary.