918 B
General Information:
Parallelism is common in Hebrew poetry. (See: rc://en/ta/man/translate/writing-poetry and rc://en/ta/man/translate/figs-parallelism)
A song of ascents
Possible meanings are 1) "song people sang while going up to Jerusalem for a celebration" or 2) "song people sang while going up the steps into the temple" or 3) "song whose words are like steps." See how you translated this in Psalms 120:1.
lift up my eyes
This expression means "look at" or "focus my attention on." (See: rc://en/ta/man/translate/figs-metonymy)
From where will my help come?
The writer uses this question to focus attention on the source of his help. This rhetorical question can be translated as a statement. AT: "I will tell you from where my help comes." (See: rc://en/ta/man/translate/figs-rquestion)
My help comes from Yahweh
This is the answer to the previous question.