Little "t" tantra, tantra in general, as it is widely understood describes sensually intensive massage with candles and incense, enhanced orgasms, a cure for PE and ED, visualisations of diagrams and symbols, systems of chanting, a genre of relationship and intimacy counseling and sex with candles and incense. It uses techniques from the Kama Sutra, temple dances, initiation rituals, sexology, psychotherapy, shamanism, NLP and speed seduction. Many things use the word. Many things are implied in it. Great and miserable books have been written about it. The sublime movie Bliss represents tantra, as does Myers' ridiculous movie, The Love Guru.
Big T Tantra has one purpose. Making yourself available, open enough, free enough from illusion, beliefs and attitudes for enlightenment, Samadhi to happen. It requires intensity, passion, courage and intelligence. Teachers use any and every technique, drawing from a huge range, even experimenting/channeling/discovering on the fly on the rare occasions that that is required. At least for part of the journey, some form of initiation is essential. Many techniques and approaches depend heavily on personal, direct teaching for their true lessons to be learned.
This school fits into both definitions. In the greater world of tantra, our practice of Tantra can be seen as complementary to some practices, a next step for others, and master classes at post graduate level for those who have come to the end of what is otherwise available. In the world of Tantra, we are pioneers who have evolved ways of making the true depths of Big T Tantra accessible to westerners.