You’re looking at information for a font family.
This is the size of the entire font family (which includes the size of each font resource, plus the size of the font family resource).
This is the location of the System file (which contains the font family).
This is the time and date the System file was created.
This is the time and date the System file was last changed.
This is a list of each font in the family, along with the size of each font. A font with no point size after its name means it is a TrueType (or outline) font.