Is one allowed to drink the juices which oozed out during eating; grapefruit issues.
ודבר דבר (Dabair Davar): Hinting to Someone to Do an Action After Shabbos Which Is Not Allowed to Be Done on Shabbos;
How Do We Understand the Concept of Combing or Brushing One's Hair?;
Lettering, numbers, pictures that are part of a cookie or cake itself. (It's all one dough).