"just Do It' Is One of the Most Widely Known Ones
This page is the CodyCross answer for the clue below from The 80s, Group 800, Puzzle 1 (Tears for Fears).
Question is: "just Do It' Is One of the Most Widely Known Ones
and the answer is: SLOGANS
Word Meaning:
SLOGANS — plural of slogan
Definitions from Wiktionary.