datum. ( 1 plural: data) A measurement of something on a scale understood by both the recorder (a person or device) and the reader (another person or device). The scale is arbitrarily defined, such as from 1 to 10 by ones, 1 to 100 by 0.1, or simply true or false, on or off, yes, no, or maybe, etc.
Cameron Monaghan. Cameron Riley Monaghan (born August 16, 1993) is an American actor and model. Beginning with his professional career as a child model at the age of three, and child actor at the age of seven, Monaghan is best known for his role as Ian Gallagher on the Showtime comedy-drama (dramedy) series Shameless.
Leonardo DiCaprio as Jack Dawson: Cameron said he needed the cast to feel as though they were really on the Titanic, to relive its liveliness, and to take that energy and give it to Jack, [...] an artist who is able to have his heart soar.