What is walk the line meaning?

"Walk the line" is a popular idiomatic expression that refers to staying on the right path, following the rules, or adhering to a set of standards or values. It can also mean walking a tightrope or balancing multiple responsibilities. The phrase originates from the image of a person walking along a line or rope, requiring careful attention and precision to avoid falling off. In popular culture, "Walk the Line" is also the title of a biographical film about the life of musician Johnny Cash.