Noto Sans Symbols is an unmodulated (“sans serif”) design for texts in Symbols.
Noto Sans Symbols has multiple weights, contains 1,224 glyphs, and supports 840 characters from 10 Unicode blocks: Enclosed Alphanumeric Supplement, Miscellaneous Symbols, Alchemical Symbols, Miscellaneous Technical, Enclosed Alphanumerics, Basic Latin, Arrows, Combining Diacritical Marks for Symbols, Dingbats, Miscellaneous Symbols and Pictographs.
Symbols are characters that signify an idea, object, or relationship, but do not belong to another standardized script or notation, like arrows, card suit symbols, or religious icons. Read more on ScriptSource, Unicode, Wikipedia, r12a.