Clarity writes up the events of the defeat and reform of Nightmare Moon, including the fact that her crown is apparently continuing to exist, and makes two copies - the original in personal notebook stash, one tucked into the back of "The Elements of Harmony: A Reference Guide", and one sent to Princess Celestia via mailing spell with the suggestion that it could be published in its own volume especially if either Princess would care to add notes on the parts Clarity didn't personally witness.

And she sets about settling into Ponyville.

She learns her way around - here's where she can buy carrots and bunched dandelions and clover sprouts; here's where she can get a case for her crown and cases for everpony else's necklace so they don't have to wear them or leave them lying around loose; here's a shortcut between Guiding's house and the tower the twins live in together. This is when this little town wakes up in the morning and this is when everything closes at night. This is what her friends do all day: Cherry Cordial farms and looks after critters. Brightblaze tinkers with gadgets kind of singlemindedly (though she also flies). Silver Streak plays violin and and reads and wanders around looking at things. Guiding Star does fortune-telling for spare bits and belongs to a dance group and volunteers for anything going on in town that could use amateur decorating (Joy is often with her when she does this). Joy also wanders around being sociable and helpful and cooks, itinerantly, for anypony who'll spare him kitchen space.

And Clarity learns the organizational system of the library, with Blueberry's considerable help, and she studies and explores.

And when she's been in residence for just shy of a week, she gets a letter from the Princess, which contains six tickets to the Grand Galloping Gala. Aww, that's thoughtful. Clarity's never been before.

She goes out to see which of her friends she'll run into first if she takes a meandering path through town.