Something is said to have existence if it is in reality.
Outside memory, in the world, at specific times in specific places, occurring as an opening for action, complete, accurate and up-to-date. If a possibility no longer occurs for you as a present time phenomena, as an opening for action, consider you have no existence for that possibility and no context in which it can live.
Suggested Exercise for Life -
Bringing this week possibility of your life into existence in various areas