¡Fulfillment (~30x) -- predicts events future to the psalmist
¡Confirmation (~25x) -- used to validate a theological point
¡Exhortation (~4x) -- used to motivate proper action
¡Exegesis (~3x) -- an extended discussion explaining the OT passage
¡Biblical language (~2x) -- language is used differently than in OT
¡Puzzling (~3x) -- not obvious why passage
is used as it is