MACROMEDIA COLDFUSION MX 61-DEVELOPING COLDFUSION MX Develop Manual page 105

A conventional 2D array is like a fixed-size table made up of individual cells, as the following
figure shows:
The following figure represents a ColdFusion 2D array:
A ColdFusion 2D array is actually a one-dimensional array that contains a series of additional 1D
arrays. Each of the arrays that make up a row can expand and contract independently of any other
column. Similarly, a ColdFusion 3D array is essentially three nested sets of 1D arrays.
Dynamic arrays expand to accept data you add to them and contract as you remove data from
them.
About arrays 105