How are meaning and purpose to be aligned?
This happens if and only if there is a singular understanding in both the higher discriminative intellect (the medium of purpose) and the psycho-emotional mental system (the locus of meaning).
The intellect is the grander schema of life.
The psycho-emotional mental system is able to organize and offer one’s energies into that which provides enjoyment and “engagement”.
The two are integrated only when one is aligned to, or acting towards one’s highest ideal of oneself.
Thus meaning and purpose get aligned, if and only if, a man or woman or child acts consistently towards the highest ideal as acceptable to the individual.