Title.. Psalm. See App-65. See note on title of Psalms 22.
The LORD. Hebrew. Jehovah.
The LORD... my shepherd. One of the Jehovah Titles. See App-4, "Jehovah-Ro'i". Figures of Speech. Metaphor and Anthropopatheia. App-6.
not want. Because "Jehovah will provide", Jehovah-Jireh. See App-4.