Shared ground
This closing verse says Nathan reported the message to David fully and faithfully. The repeated word “all” (all) stresses completeness: Nathan did not pick and choose parts of what he received.
The verse also ties Nathan’s speech to a “vision,” presenting the prior speech as revelatory in origin rather than a court opinion. In the story, the focus is not David’s response here but the reliability of the prophetic delivery.
Where interpretation differs (only where needed)
Two main questions come up.
First, what exactly does “vision” mean here? Some take it as a specific revelatory experience (like a dream or prophetic sight). Others take it more generally as prophetic revelation without specifying the mode.
Second, how strong is “all” as a claim about what Nathan said? Some read it as close, even word-for-word reporting. Others read it as “the whole message,” meaning full substance and scope, without implying a verbatim transcript.
Why the disagreement exists
The verse is brief and does not describe the manner of revelation or the level of verbal precision. It uses summary language (“all these words… all this vision”) that naturally raises, but does not settle, questions about how prophets received and delivered revelation.
What this passage clearly contributes
Explicitly, it affirms that Nathan communicated the complete content he received to David and that the narrative presents this content as grounded in revelation (“vision”), not simply Nathan’s earlier approval or David’s plans. It functions as a narrative seal on the speech in 2 Samuel 7:4–16, emphasizing accurate transmission as a key part of the prophet–king relationship.