Final answer:
In John 4:28, the Samaritan woman left her water jar when she returned to town, signifying the importance of the spiritual encounter she had with Jesus.
Step-by-step explanation:
According to John 4:28, the Samaritan woman left her water jar when she went back to the town. The verse details the moment after the woman's interaction with Jesus at Jacob's well. Realizing the significance of her encounter, she left her water jar and returned to the town to tell the people about Jesus.
The act of leaving the jar symbolizes the woman's realization that the spiritual water Jesus offered was more important than the physical water her jar could hold.