Kundalini can name a concept within Hindu tantric and yogic traditions, while Kundalini yoga can name a school of practice. The distinction is useful because the concept has a wider history than any particular modern teaching system. It is described through religious ideas about the subtle body, Shakti and spiritual awakening. A clear account keeps those ideas attributed to the traditions that express them, without turning them into a promise of an experience.
The concept of a coiled power
The Wikipedia article on kundalini describes a form of divine feminine energy, associated with Shakti and believed in Hindu traditions to be located at the base of the spine. The image of a coiled serpent is part of this description. The article gives kundalini an important place in Shaiva Tantra, where it is connected with the divine feminine and with religious accounts of consciousness.
In that setting, awakening is understood in relation to liberation. The source describes the tradition's account of movement through the subtle body, along a central channel called sushumna toward the crown of the head. This is the language of a religious map and its aims. It is not necessary to translate it into an expected bodily sensation to understand how the term is used.
The concept also appears within hatha yoga and other forms of Hindu spirituality. That wider use is a reason to identify the text or tradition whenever kundalini is discussed. A term shared across several accounts may not have an identical explanation in all of them. The introduction to tantra places it beside the ritual and contemplative frameworks that give the subtle body its religious meaning.
Chakras and the subtle body
Wikipedia's article on chakras describes psychospiritual centres in the subtle body used in Hindu and Buddhist tantric meditation. Chakra is related to the Sanskrit words for wheel and circle. The centres can form part of a visualised account of the body and spiritual development. Their description belongs within the traditions' meditative vocabulary.
The source notes variation among texts in the arrangement of centres. A single familiar chart therefore does not exhaust the history of the idea. Modern presentations have also added colours and other correspondences. Distinguishing the setting of a particular account makes its terms clearer. It allows the reader to recognise a religious description without assuming that every later image expresses the same historical teaching.
The subtle-body map places centres in relation to channels and the movement of spiritual energy as the tradition understands it. That relationship gives context to the imagery of kundalini. The ideas are best read together, with their religious purpose visible. Separating a centre from its surrounding account can make it seem like a freestanding object, while the source describes it as part of meditation and visualisation.
The place of breath practice
The Wikipedia article on pranayama describes the yogic regulation or control of breath. It places the practice in Hindu texts, including the Upanishads, Bhagavad Gita and Yoga Sutras. Later hatha texts develop a range of breath practices, while modern postural yoga may use breath in synchrony with movement. The same Sanskrit term therefore appears in different textual and teaching settings.
Within kundalini traditions, breath practice is described alongside meditation and religious discipline. Its role is explained through the tradition's account of prana and the subtle body. This description concerns the place of breath in a system of practice, rather than a method for a reader to attempt. Identifying that place gives context without adding breath counts, instructions or predictions about what an exercise will produce.
Kundalini yoga as a school
Wikipedia's article on Kundalini yoga describes a twentieth-century practice within Hindu yogic and tantric traditions, influenced by Shaktism and Tantra. It brings devotion and chanting into relation with meditation and may include hatha techniques. Its name reflects an emphasis on kundalini awakening within its religious account. The school is therefore related to the older concept, while representing a particular combination of practices.
The source also describes differences among traditions in how kundalini is understood. Some speak of a dormant energy, while others describe energies already active in different parts of the body. This variety makes a single formula for awakening inadequate as a description of the whole field. The guide to modern schools and lineages places Kundalini yoga beside other approaches, with their different emphases intact.
A vocabulary with a religious purpose
Terms such as kundalini, Shakti, chakra and prana are connected within accounts of spiritual practice. Their meaning is clearer when that connection is retained. The guide to Sanskrit words and chants explains another part of this vocabulary, including the distinction between a sacred utterance and shared devotional song. Reading the terms together gives a fuller picture of the traditions than treating them as separate labels.
The distinction between concept and school remains a useful starting point. It makes room for historical variety, identifies the beliefs behind the descriptions and avoids making religious aims into assured outcomes. Kundalini can be understood as an important idea in its own setting, while Kundalini yoga can be described as a school with its own stated emphasis. Neither needs an account of an imagined personal experience to make its place in yoga intelligible.