This is the parable the Prophet struck for it, and this is of the utmost clarity (clarification of the return of the pronoun)

The Shaykh :"This is the parable the Prophet struck for it, and this is of the utmost clarity"
"This is the parable" may mean that the reference is to the last parable, in which case the demonstrative pronoun refers to the nearest mentioned item, just as a personal pronoun refers to the nearest mentioned item. It may also mean that the reference is to the genus of the preceding parables, meaning that these are the parables the Messenger (peace and blessings be upon him) struck for this worldly life. Yes.