Bharani is the second, ruled by Venus, its symbol the yoni — the shape of the womb — and its deity Yama. Put those three together and you have its mechanism: able to carry, and knowing when a thing should end. Venus governs gestation and enjoyment, Yama death and law; one says bearing, the other says limit, and birth itself is both — carrying takes time, and when the time comes it has to come out, and not delivering is dangerous.
So Bharani is about limit and transformation: the most enduring of the twenty-seven, and the one that most has to learn endings. The tradition links it to bearing (bharaṇa means 'to carry') and to the passage between life and death.
Where you'll recognise it: able to hold what others can't, a feel for taboo and for edges, desire and self-restraint both strong, often waiting for a time to arrive, and letting go harder than taking on. Running well, you have the greatest carrying capacity there is: seeing something through from nothing, facing what others won't, staying clear at the edge. Stuck, you carry too long — holding in what should be delivered, endurance mistaken for virtue, or the reverse: destroying instead of ending. Before it is Ashwini's bolt, after it Krittika's fire: what has been carried must next go through the burning.