The glyph is not a composition. It has no designated width in East Asian texts. In bidirectional text it is written from left to right. When changing direction it is not mirrored. The word that U+04AB forms with similar adjacent characters prevents a line break inside it. The glyph can be confused with one other glyph.
The Wikipedia has the following information about this codepoint:
The or Es with Descender (Ҫ ҫ; italics: Ҫ ҫ) is a letter of the Cyrillic script. The name the is pronounced [θɛ], like the pronunciation of ⟨the⟩ in "theft". In Unicode, this letter is called "Es with descender". In Chuvash, it looks identical to the Latin letter C with cedilla (Ç ç Ç ç). Occasionally, it also has the hook diacritic curved rightward like an ogonek, as in the SVG image shown in the sidebar. In many fonts, the character hooks to the left.
The is used in the alphabets of the Bashkir, Chuvash, Enets and Nganasan languages.
In Bashkir, it represents the voiceless dental fricative /θ/.
In Chuvash, it represents the voiceless alveolo-palatal fricative /ɕ/.
In Enets, it represents the voiceless alveolo-palatal fricative /ɕ/.
In Nganasan, it represents the voiceless dental fricative /θ/.