4)Yoga means Union.
In what sense are we to consider this? How is the word Yoga to imply a system of religious training or a description of religious experience?
You may note incidentally that the word Religion is really identifiable with Yoga. It means a binding together.
(5) Yoga means Union.
What are the elements which are united or to be united when this word is used in its common sense of a practice widely spread in Hindustan whose object is the emancipation of the individual who studies and practises it from the less pleasing features of his life on this planet?