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This icon represents the Cartesian product of two finite sets through a discrete dot-grid construction. Points along a horizontal baseline stand for the elements of one set, and points along a vertical baseline stand for the elements of a second set. Dashed guide lines extend from every point on each baseline and cross to form a lattice, and every crossing is marked with a small ring - one marker for every possible combination the two sets can form together. A single filled marker highlights one specific pairing among the group, echoing how a lookup table or coordinate grid singles out one entry. The design shows the underlying mechanism of combining two collections into ordered pairs rather than relying on abstract notation, making it well suited to discrete mathematics, combinatorics, relations, and coordinate-geometry topics in educational and curriculum materials. Rendered in a clean dark teal and cyan outline style.