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Two crossed diagonal lines inside a unit frame, marking infantry.
Also known as: Infantry symbol, Crossed belts
An X drawn corner to corner inside the frame. Conventionally explained as representing crossed rifle belts, and one of the oldest surviving elements of military mapping notation.
Two diagonal lines crossing corner to corner within a unit frame identify the unit as infantry.
Conventionally explained as depicting crossed infantry cross-belts. The explanation is traditional and widely repeated; the notation itself long predates the current standard.
A traditional explanation of the icon's origin rather than a documented design statement.
Two straight diagonal lines crossing in an X inside a rectangle.
Both are function icons placed inside a unit frame.
The icon sits inside an affiliation frame, which supplies the friendly or hostile reading.