This character is a Other Letter and is mainly used in the Han script. The Unihan Database defines it as small, tiny, insignificant. Its Pīnyīn pronunciation is xiǎo.
The glyph is not a composition. Its East Asian Width is wide. In bidirectional text it is written from left to right. When changing direction it is not mirrored. U+5C0F offers a line break opportunity at its position, except in some numeric contexts. The glyph can be confused with one other glyph.
The Wikipedia has the following information about this codepoint:
Radical 42 or radical small (小部) meaning "small" or "insignificant" is one of the 31 Kangxi radicals (214 radicals total) composed of three strokes.
In the Kangxi Dictionary, there are 41 characters (out of 49,030) to be found under this radical.
小 is also the 36th indexing component in the Table of Indexing Chinese Character Components predominantly adopted by Simplified Chinese dictionaries published in mainland China. Its inversed form ⺌ is the associated indexing component affiliated to the principal indexing component 小.