Broadly speaking, the view, the practice and the behavior of non-Buddhist traditions and those of Buddhism are all different, and so are their results. The key difference lies in whether or not they include taking refuge in the Three Jewels—the Buddha, Dharma and Sangha. One that does so is Buddhism; otherwise, it is non-Buddhism.

[Depicted from Luminous Wisdom Book Series 1 : The Right View ~ The Three Differences]