Tears
Tears in this context symbolize deep sorrow and repentance. The psalmist expresses his anguish and plea for God's mercy through the imagery of tears.
Tears reflect the human condition of suffering and the need for divine intervention. They also signify a heart that is contrite and seeking God's forgiveness and healing.
In ancient Near Eastern culture, tears were often associated with mourning and lamentation, reflecting a deep emotional state.