3.4.3. Numeric shape selectors
The following characters allow the selection of the shapes in which the digits from U+0030 to U+0039 are to be rendered. The following characters do not nest.
NATIONAL DIGIT SHAPES (U+206E)
Between this character and the following NOMINAL DIGIT SHAPES format character (if any), digits from U+0030 to U+0039 are rendered with the appropriate national digit shapes as specified by means of appropriate agreements. For example, they could be displayed with shapes such as the ARABIC-INDIC digits from U+0660 to U+0669.
NOMINAL DIGIT SHAPES (U+206F)
Between this character and the following NATIONAL DIGIT SHAPES format character (if any), the digits from U+0030 to U+0039 will be rendered with the shapes as those shown in the code tables for those digits. This is the default state.