Final answer:
In contrast to mainstream Buddhism, Samadhi is specifically related to meditation and the attainment of a deep state of concentration and union with the divine.
Step-by-step explanation:
In contrast to mainstream Buddhism, the topic of Samadhi is specifically related to meditation and the attainment of a deep state of concentration and union with the divine. Samadhi is a term used in both Hinduism and Buddhism, but its interpretation and practices vary between the two.
In mainstream Buddhism, meditation is also important, but the focus is more on mindfulness and insight meditation to cultivate wisdom and understand the nature of reality.