The hieroglyphs of ancient Egypt are often listed in groups of associated glyphs. The following hieroglyphs have been grouped according to the system established by Sir Alan Gardiner. The following hieroglyphs are all depictions of parts of the body.
Abb; the sign is an abbreviation of a word,
Det; the sign acts as a determinative (it has no phonetic value, but provids further information about the full word),
Log; the sign is a logogram (it represents an entire word or idea),
Phon; the sign has a phonetic value, and
Phon Det; the sign is a phonetic determinant (it acts as a determinative but also has a phonetic value).