We must have different dictionaries - to me tangible means perceptible by touch. But since language is defined by usage, I accept your broader definition. http

We must have different dictionaries - to me tangible means perceptible by touch. But since language is defined by usage, I accept your broader definition. http://oxforddictionaries.com/definition/english/tangible?q=tangible http://oxforddictionaries.com/definition/english/tangible?q=...