1. A person's karmic tendencies
2. Predicting the time for manifestation of such tendencies.
The timing of life events is shown through a detailed system of planetary time cycles, called "dashas." There is no corresponding method in Western astrology to time an event, because their methods are based solely on the transit of planets. The dasa system in Vedic astrology has been invented to co-relate the karmic tendencies with transit of planets which gives a better result.
Western astrologers, who were introduced to Vedic astrology, often adopted Vedic astrology because of its greater scope, depth and accuracy for predicting the future