The Rigveda is the oldest of the four Vedas, and is a collection of hymns and prayers.

Brahman is the central concept of the Upanishads, and is the ultimate reality from which all things originate.

Brahman and Atman are identical, and the realization of this identity is the goal of spiritual practice.

Samsara is the cycle of birth, death, and rebirth, and is driven by karma.

Moksha is the goal of spiritual practice in Vedic philosophy, and is the liberation from the cycle of samsara.

Karma is the law of cause and effect, and states that every action has a reaction.

Dharma is the ethical code of conduct in Vedic philosophy, and prescribes the duties and responsibilities of individuals.

Karma Yoga is not a type of yoga, but rather a path to spiritual liberation through selfless action.

The Bhagavad Gita is not a major Upanishad, but rather a philosophical poem that is part of the Mahabharata.

Zeus is not a Vedic deity, but rather a Greek god.

Vipassana meditation is not a type of meditation in Vedic philosophy, but rather a Buddhist meditation technique.

Lila is not a concept in Vedic philosophy, but rather a concept in Vaishnavism.

Salokya is not a type of moksha in Vedic philosophy, but rather a type of liberation in Vaishnavism.

Agami karma is not a type of karma in Vedic philosophy, but rather a concept in Jainism.

Rta is not a type of dharma in Vedic philosophy, but rather a concept in Zoroastrianism.