divide; split; separate / untie; loosen; relax; remove / make clear; explain / understand; comprehend / opinion; explanation; solution

explanation; interpretation / (mathematics) solution / answer; reply (to a given question or problem)

the whole story, all of the details

method / law, rule / principle / model / system

principle / law / code of law / method / etiquette / (Buddhism) dharma / (grammar) mood / (mathematics) divisor

Alternative spelling of フラン

operator

operability

optimization

to optimize