So many people cite "service to others" as the meaning of life because you can only find "greater meaning" beyond yourself. For meaning, focus on your own growth; for greater meaning, focus on growth beyond just your own.
https://yourmeaninginlife.com/blog/to-find-greater-meaning-in-life-help-others
You decide what meaning the events in your life have to you.
https://yourmeaninginlife.com/blog/you-can-find-meaning-in-whatever-happens-to-you
Asking where you see yourself in five years is a good exercise to determine both where you're going and what you want to be doing today to reach your desired future state.
https://yourmeaninginlife.com/blog/where-do-you-see-yourself-in-five-years