Lettering, numbers, pictures that are part of a cookie or cake itself. (It's all one dough).
what do we call "קיימא" (permanence) when dealing with stickers on clothing and other items;
How much time is needed before or after shabbos to say it is "שכר שבת בהבלעה" (shabbos earnings included with weekday earnings).
the difference between tearing for a constructive purpose and tearing for a specific size;