A destiny is a plan, a line of evolution.
You can see your destiny as a formless space of energies which create an invisible architecture of opportunities actions and behaviors.
When you look into your past, you can see an architecture of events. In fact its 'easy to recognize a pathway.
Now, imagine that there is a similar architecture for your future. It is not static or crystallized. It is rather created by a myriad of infinite options.
We could call these destiny lines.
When you choose between two careers for instance, you clearly see two lines of evolution. It is the same when you choose for a place to live, a city or even an outing for an evening.