Yoga means union. It refers to the union of the individual soul to Ishwara the source of all existence.
Shanti simply means peace.
Namaste – See a more detailed explanation here.
Namaste is used as a traditional greeting throughout India. The gesture is said to express honor, courtesy, politeness, hospitality and gratitude to the other person. It is a fundamental part of Hinduism as it also has a profound spiritual meaning .
A mantra may be a syllable or string of syllables, a word, or a whole sentence. Which may or may not have a meaning. They may be used to aid concentration focus the mind, or as affirmation or their value may lie in their vibrational quality, not in any meaning that humans, society, culture, or civilization has placed on them over the last few thousand years as they go beyond the state of human existence on this planet, and they take you as they are vibrations that have existed since the dawn of creation.
Aum – See a more detailed explanation here.
Meditation on Om is the first practical meditative yoga method described by Pantanjali in the yoga Sutras (1.27-29). It is the mula (root) mantra and typically is chanted before beginning any other mantra. It is the oldest and most venerated of all mantras
‘Mudra’, is a symbolic hand gesture, It has been proved that Regular practise of mudras contribute to one’s overall good health, or be used as a preventive measure. Our hands define our karma, our fingers a link between individual Pranic force and universal cosmic energy.
The position of our hands has the ability to influence energy of our physical, emotional and spiritual body. Mudras help to link the brain to the body, soothe pain, stimulate endorphins, change the mood and increase our vitality. There are around 400 mudras with the power of producing health, joy and happiness.
Pranayama is the fourth limb of the eight fold path. And refers to the flow of vital energy. Prana is the fundamental basis of whatever is, was and will be. – life force. It has become synonymous with breath but in reality, is so much more.