The difference between one letter or two letters; writing with a "SHINUI" (not the usual manner).
One letter on top of another letter.
Reviewing practical applications in LOSH.
ודבר דבר (Dabair Davar): Hinting to Hire a Worker (Example: Babysitter);
(Melting ice.) Other types of necessities (in conjunction with putting frozen liquids and warm areas): child, oneg Shabbos, etc.