What is Meditation

I have been experimenting with various forms of self hypnosis, progressive relaxation and meditation techniques for the last 40 years and have recently come to the realisation that these things are not about visualisation, self coaching or in fact, anything that relates to doing. Meditation to me is about being, rather than doing. All of these other techniques are very much about doing but meditation in its truest sense is simply about being; finding the beautiful neutral nothingness but everythingness, inside. Let me know what you think...