It's about the way you should stand and the way your posture should be. It's also telling you your back is in a slightly 's' shape
,hope this helps answer your question
Answer:
Root, in botany, that part of a vascular plant normally underground. Its primary functions are anchorage of the plant, absorption of water and dissolved minerals and conduction of these to the stem, and storage of reserve foods. The root differs from the stem mainly by lacking leaf scars and buds, having a root cap, and having branches that originate from internal tissue rather than from buds.
B. Form ...it speaks to the set up of the piece
