Mongolian is a Unicode block containing characters for dialects of Mongolian, Manchu, and Sibe languages. It is traditionally written in vertical lines , although the Unicode code charts cite the characters rotated to horizontal orientation as this is the orientation of glyphs in a font that supports layout in vertical orientation.
The block has dozens of variation sequences defined for standardized variants.
The Mongolian Unicode block contains its own variation selectors (listed as format controls) for use with the traditional Mongolian alphabet:
Additional variations may be also available for characters according to context or by manually using special characters, namely the zero-width joiner (ZWJ) and zero-width non-joiner (ZWNJ), to select the specific form.
The following Unicode-related documents record the purpose and process of defining specific characters in the Mongolian block: