…It is a matter of life and death, a road either to safety or to ruin.  Hence it is a subject of inquiry, which can on no account be neglected. 

…Earth (water, air, and fire) comprises distances, great and small; danger and security; open ground and narrow passes; the chances of life and death (the possibilities of wonder or missed opportunity, etc.)…

…The Commander (artist-craftsman) stands for the virtues of wisdom, sincerity, benevolence, courage and strictness (discipline of craft, etc.)…

Tsunami is the second part of the title's neologism.  Tsunami refers to the awesome, beautiful powers of nature.  Therefore the title Sun Tzu-Nami , referring to the strategies of working with the material and the attitudes/ideologies which must be applied and respected.