Dhanishta is the twenty-third, ruled by Mars, its symbol a drum (Shiva's ḍamaru), its deity the eight Vasus, gods of dwelling and abundance. The name means 'the wealthiest'.
Mechanically Mars supplies the force of the beat, the Vasus supply abundance. The drum is the key: Shiva's drum beats out time itself — once a rhythm starts, scattered things fall into line. So this segment is about the capacity to synchronise a group, and abundance is the consequence of synchrony rather than its cause. People on one beat produce far more than the same people each on their own.
Where you'll recognise it: a sense of rhythm (in music, sport or work alike), a gift for lifting the mood, influence within a group, a need for something to be moving, low tolerance for stagnation, and a practical feel for wealth and resource. Running well, you're the one who sets the tempo: getting people moving, getting resource circulating, giving things life. Stuck, you can't stop — busyness in place of direction, rhythm mistaken for worth, panic in the quiet. Shravana before it listens; Shatabhisha after it is the empty circle: past a certain amount of noise, you need a place with nobody in it.