DirectionTag: Of<{
    id: 4;
    tags: {
        Backward: {
            id: 5;
            label: "Backward";
        };
        Downward: {
            id: 1;
            label: "Downward";
        };
        Forward: {
            id: 4;
            label: "Forward";
        };
        Leftward: {
            id: 2;
            label: "Leftward";
        };
        Rightward: {
            id: 3;
            label: "Rightward";
        };
        Upward: {
            id: 0;
            label: "Upward";
        };
    };
}> = ...

The tags contained in this namespace may be used in any domain or context, to indicate an association with a movement in a certain direction relative to the device. Note the difference with Chapter 9, Common Position Semantic Tag Namespace.

MatterSpecification.v13.Namespace § 5