Diagrams describe where something is located. They are simplified drawings showing the appearance or structure of something, which can represent schematically the different rooms of a house with their corresponding colors.
The rest of the choices are incorrect because a table is set of facts or figures displayed in columns, a timeline is a pictorial description of the passage of time as a line, and a graph is a diagram showing the relation between variable quantities, calculated along one of a pair of axes at right angles.
It was a shock to the Elizabethan audience; everyone had arranged marriages and high class children obeyed their parents, but this play ruptures the rules