Dictionary of English - substantial or substantive
substantial or substantive
If a thing is substantial it is considerable or sizeable: We need a substantial improvement in sales (so that they are greater). If something is substantive it is real or actual: We need a substantive improvement in sales (not just a cosmetic improvement).
Blue stands for the night sky and for water as a source of life. White represents peace. Red indicates the life-force. Green recalls nature and fertility. Effective date: 11 October 1991.