The prohibition of trapping on Shabbat and the parameters regarding domesticated animals, creatures that are not typically trapped, lesson of the Freebird- Tzippor Dror

The parameters of the melacha of tearing for destructive (mekalkel) vs. Constructive (tikkun) purposes, application to breaking a stuck door to let someone out on Shabbat

The deep idea/difference between Emet and Sheker, halacha regarding bringing two letters together on Shabbat- applications to opening and closing books with writing on the side, playing scrabble, puzzles and board games in general

The opinion of Rabbi Yosi that koteiv prohibition also includes symbols or images, applications to fingerprinting, rubik's cube, being filmed by a CCTV, and the Shabbat thermometer

The difference between boneh and makeh b'patish

The principles of gud achis, mechitza tluya, and lavud- application to making an eiruv in a camp setting with bunkhouses

The halachic status transferring from the sea to a boat and vice-versa- application to carrying on a boat on Shabbat

The status of the airspace above reshut harabim vs reshut hayachid

The principle of 4 amot in public vs. private domain, application to going less than 4 amot in a case of need

The sin of mekoshesh eitzim and the timeless message of this story