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.
Rebecca Ryan. Rebecca Ryan (born 27 April 1991) is an English actress. She attended St Monica's High School in Manchester. Ryan is best known for playing the role of Debbie Gallagher in the Channel 4 comedy drama series Shameless from 2004 to 2009 and as Vicki MacDonald in the BBC school-based drama series, Waterloo Road from 2009 to 2011.