Basically Wealth management is a way how to manage and protect the welfare of the accumulating "wealth" that we have, so that we can achieve the financial goals to provide for our welfare.
So to say wealth management is not only intended for those who already 'Wealthy' but also customers who want to be 'Wealthy'.
Way manage this property varies depending on your financial goals and risk tolerance to be had in investing.
Can be compared to financial planning as it travels from Earth to other planets by using rockets. Because of the long journey and all uncertain, it could be on his way to hit the unexpected such as an asteroid hit. For that component or insurance protection becomes very important role that the rocket was still able to continue the journey to the destination planet.