What is meant by nimittas?

Nimittas are mental images or signs that arise during meditation practice. They are considered to be a natural part of the meditation process and can manifest in various forms, such as lights, colors, shapes, or sensations. Nimittas are often seen as indicators of progress in meditation and can provide insight into the meditator's state of mind. Some meditation traditions place importance on working with nimittas as a way to deepen concentration and insight.

Nimittas are sensory experiences, perceptions, or visions that are considered signs or indications of spiritual progress or transformation. They are often associated with meditation, yoga, or other spiritual practices.

Nimittas can take various forms, including:

- Visual: Lights, colors, patterns, or divine figures appearing in the mind's eye or in the external world.
- Auditory: Om sounds, mantras, or celestial music.
- Kinesthetic: Tingling, vibration, or energy flow in the body.
- Olfactory: Fragrances or scents that are considered sacred or purifying.
- Gustatory: Sweet or ambrosial tastes perceived during meditation.

Traditionally, nimittas are believed to indicate the manifestation of kundalini energy, a spiritual force said to reside at the base of the spine. As the kundalini rises and passes through different energy centers (chakras), it can trigger specific nimittas associated with each chakra.

While nimittas can be a powerful indicator of spiritual growth, it is important to approach them with discernment. They should not be chased or sought after, as they are a natural by-product of spiritual practice. Excessive attachment to nimittas can distract from the ultimate goal of realization.