@fontfam(optional)Contains the name of a font-family.
@fontname(optional)Holds the name of a font.
@fontsize(optional)Indicates the size of a font expressed in printers' points, i.e., 1/72nd of an inch,
relative terms, e.g., small, larger, etc., or percentage values relative to normal
size, e.g., 125%.
@fontstyle(optional)Records the style of a font, i.e., italic, oblique, or normal.
@fontweight(optional)Used to indicate bold type.
@letterspacing(optional)Indicates letter spacing (aka tracking) in analogy to the CSS letter-spacing
property.
@lineheight(optional)Indicates line height in analogy to the CSS line-height property.
@place(optional)Captures the placement of the item with respect to the staff with which it is
associated.