The imagery shifts dramatically from a pastoral landscape to the grandeur of a royal banquet. The relationship evolves from a shepherd guiding a sheep in an open field to a king hosting an honored guest. This transition is marked by a prepared feast. Instead of an animal eating directly from the ground, the scene elevates to a person dining with dignity at a set table [מלבי״ם]. This feast mirrors the green pastures mentioned earlier, but now represents a higher level of wealth, honor, and material success [אבן עזרא, מאירי, מצודת דוד]. On a deeper level, this prepared meal hints at the Manna that fell for the Israelites in the desert [תורה תמימה]. It also serves as a metaphor for devoted servants of God who are content with simple bread and water in this world. By setting aside material desires, they preserve their true reward and pleasure for the World to Come [אבן עזרא, אלשיך].
Sitting down to eat surrounded by foes illustrates a state of absolute peace and security. Just as a sheep grazes calmly beside its shepherd despite the threat of predators, the guest dines without fear even as enemies lurk nearby [ביאור שטיינזלץ]. These adversaries are forced to witness this honor, consumed by jealousy [רד״ק, מצודת דוד]. Historically, this reflects David's triumph over his opponents from the house of Saul [מלבי״ם]. Spiritually, it paints a picture of the wicked in Hell, who are compelled to watch the righteous enjoying their reward in the Garden of Eden [אלשיך]. This mirrors the kings of the surrounding nations who watched the Israelites receive the Manna in the desert [תורה תמימה].
The imagery of a head enriched with oil conveys a sense of deep pleasure, grooming, and luxury [ביאור שטיינזלץ], perhaps reflecting the sheer abundance of the delicacies served [אבן עזרא]. Oil is a symbol of vitality; when the head is anointed, the entire body feels nourished, demonstrating that God provides for every possible need [רד״ק]. In a practical, historical sense, the primary approach among commentators is that this directly refers to David being anointed as the king of Israel [רש״י, מצודת דוד, מלבי״ם].
The feast concludes with a cup completely full and satisfying. This drink parallels the calm waters mentioned earlier [אבן עזרא], but highlights a refined shift: instead of a sheep drinking water from a stream, it is a person drinking royal wine from a cup [מלבי״ם, מלבי ם בביאור המילות]. The full cup represents a constant, unending flow of abundance for both the individual and his entire household [רד״ק], serving as a promise of a secure kingdom that fulfills every desire [מצודת דוד]. Looking toward the future, it stands as a testament that despite David's massive material success and earthly royalty, his spiritual merits were not depleted. His reward remains completely full [אלשיך], pointing toward the great reward waiting for him in the World to Come [תורה תמימה].