Expositions of economic reasoning often use two-dimensional graphs to illustrate theoretical relationships.

The accompanying table and graph illustrate this relationship.

The graphs illustrate the force transmitted by a free-falling steel ball on a load cell.

A graph produced by the Nationwide illustrates the long-term trend in "real" house prices - that is, adjusted for inflation.

This simple graph illustrates very well some aspects of the theory of Q-filtering.

The graph illustrates the positions of the moons after 1, 2 and 3 Io periods.

The graph illustrates the effect of the effect.

Amongst the data, five graphs illustrate the findings they have made.

The graph on the right illustrates two recent interpretations of sea level changes during the Phanerozoic.

Over a certain voltage the current of the solar cell quickly drops to zero, as the graph illustrates.