Hinduism has no beginning, no hierarchy, non-textual, no founder, no compulsory texts, no prophets, and no central authority. It is ever-transforming, inherently liberal, and always progressing in search of the higher truth. It is not stationary but is always evolving.

We can follow any philosophy, worship any God in any Avatar, no specific places or way to worship. There are no compulsory practices or traditions. The world is a family (Vasudhaiva Kutumbakam). This is the reason we survived for thousands of years and will continue doing so.

PS: This is my own personal understanding of Hinduism and others may disagree. But that's the beauty of Hinduism. It is all inclusive. It is not an 'ism' in literal sense. :)

I am getting trolled for this even when I have clearly mentioned it's my own personal belief.