Unit 1 (v. 8a): Sudden recognition by sound
The speaker exclaims that she recognizes “the voice” of her beloved. The line communicates immediacy—before describing what she sees, she emphasizes what she hears and how quickly it identifies him.
Unit 2 (v. 8b): Eager movement across the landscape
She calls attention—“Behold”—and portrays him as coming with energetic speed, “leaping” over mountains and “skipping” over hills. The point is not careful geography but his unstoppable approach and the excitement it produces.
Unit 3 (v. 9a): Comparison to a swift animal
She describes her beloved as “like a roe or a young hart,” highlighting agility, quickness, and lively strength. The comparison continues the momentum of verse 8 in a fresh image.
Unit 4 (v. 9b): Nearness with a barrier, and searching looks
Now the scene tightens to the house: “Behold, he stands behind our wall.” He is close but separated by a boundary. He looks through windows and glances through the lattice, suggesting both desire to see and the partial concealment of someone outside trying to make contact with someone inside.