For the chief musician

"This is for the director of music to use in worship"

set to Shushan Eduth

"sing this psalm using the tune of 'Shushan Eduth'" or "sing this using the Shushan Eduth style"

This means "Lily of the Promise." Translators may either write the meaning or copy the Hebrew words.

The meaning of the word "michtam" is uncertain. You may use the word "psalm" instead.

"Aram of the two rivers ... the Aramean nation of Zobah." These are places.

"Joab and his army"

"you have allowed our enemies to break through our defenses"