The most likely meaning of the word "redaction" based on its Latin affix is d) to repeat. The meaning of redaction is to "a form of editing in which multiple source texts are combined (redacted) and altered slightly to make a single document."
Reform means the improvement or amendment of what is wrong or currupt.
Do you happen to have the graph? Without the graph I can't really help you much. If not, just see if any of the numbers or elements fluctuate and if they do then the body is not at homeostasis