In this episode, Jiawen talks about the three vehicles in Buddhism (Triyāna 三乘): Śrāvakayāna (声闻), Pratyekabuddhayāna (缘觉) & Bodhisattvayāna (Buddhayāna 佛乘), and how the three vehicles are simply skilful means by the Buddha to lead sentient beings with different capacities, preferences and karma to perfect enlightenment (Buddhahood). There is really only One Buddha Vehicle (Buddhayāna 一佛乘).