This does point to the meaning of sankappa, being about the minds ‘purpose’ or what the general direction is that the mind is pointing towards.
What purpose/sankappa is the minds particular cetanas based upon or influenced by?
I have chosen intentionally/ cetana to go and eat, with the an underlying purpose/sankappa of eating only so that I may continue the practice of renunciation.
I choose intentionally on a particular level,regarding an unpleasant situation to endure arisen anger because non-ill will is my minds purpose/direction.
Sankappa seems more like ones general intention, ones overarching purpose, which will be determining ones particular choices and intentions/ cetana. So if ones intentions are based on the purpose of sensuality then sensual decisions will be made.
Right ‘purpose’ is right because one has a view of what is the right direction to head towards. Having understood what Nibbana is, then ones right view positions the mind’s purpose accordingly. The whole point(minds purpose) is then in regards to Relinquishment…Non-ill will and Non-harming, and all of one’s particular choices will be influenced because of having that purpose in mind.