This character is a Other Letter and is mainly used in the Han script. The Unihan Database defines it as soil, earth; items made of earth. Its Pīnyīn pronunciation is tǔ.
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+571F offers a line break opportunity at its position, except in some numeric contexts. The glyph can be confused with 4 other glyphs.
The Wikipedia has the following information about this codepoint:
Radical 32 or radical earth (土部) meaning "earth" is one of the 31 Kangxi radicals (214 radicals total) composed of three strokes.
In the Kangxi Dictionary, there are 580 characters (out of 49,030) to be found under this radical.
土 is also the 29th indexing component in the Table of Indexing Chinese Character Components predominantly adopted by Simplified Chinese dictionaries published in mainland China. Kangxi radical 33 (士 "scholar") is merged to this radical as an associated indexing component of the principal indexing component 土 in mainland China.
In the Chinese wuxing ("Five Phases"), 土 represents the element earth.