Zechariah portrays Zion's king arriving humbly within a larger context of divine salvation and universal rule.
Psalm 118:25-26; Zechariah 9:9-10 are the principal backgrounds.
Jesus fulfills Israel's royal hope, but the divine-identity implication is indirect and should not be overstated.
The passage supports the larger Johannine portrait of Jesus as the saving King without functioning as an independent proof of deity.
The crowd acclaims Jesus as King of Israel.