Definition: In the book of Matthew, Mark is the one who narrates Jesus' death. He says something about being "marked by a mark." This is often used to describe someone's life journey being marked with a significant event.

An illustration: In 1984, when I was still in college, I met this man named Mark. He was the person who told me about being marked by a mark. He told me that my entire life path had been marked by a significant event or transformation.