Beating your nearest rivals is one thing. Doing it away from home is another. Dundee handled the occasion well enough to turn emotion into control, and that matters in a fixture that can easily become chaotic.
The report described it as a deserved victory, and that is the key point. This was not just a smash-and-grab afternoon.
Joint-top after only a handful of matches does not define a season. It does, however, change the mood around a club. A derby win buys calm, confidence and credibility.
For Dundee, the result sharpens the sense that this side can be competitive beyond survival talk. For Dundee United, the defeat is an early reminder that intensity alone is never enough in these fixtures; execution decides them.
The challenge now is obvious: turn one emotional high into a repeatable standard. Good teams bank derby days, then back them up against opponents who offer less adrenaline and more tactical patience.
If Dundee can carry the edge from this 2-0 win into the next run of league games, talk around their start will grow louder. The next storyline is simple - whether this was just a memorable derby afternoon, or the clearest sign yet that Dundee are building something serious.