GraphHighlightStyle is an option to Graph and related objects that specifies styles to use for highlighted graph elements.
GraphQ
(Built-in Mathematica Symbol) GraphQ[g] yields True if g is a valid Graph object and False otherwise.
HaradaNortonGroupHN[] represents the sporadic simple Harada\[Dash]Norton group HN.
ImagePadding is an option for graphics functions that specifies what absolute extra padding should be left for extended objects such as thick lines and annotations such as ...
InterpretationBox[boxes, expr] is a low-level box construct that displays as boxes but is interpreted on input as expr.
IntervalIntersection[interval_1, interval_2, ...] gives the interval representing all points common to each of the interval_i.
JaccardDissimilarity[u, v] gives the Jaccard dissimilarity between Boolean vectors u and v.
JankoGroupJ4[] represents the sporadic simple Janko group J_4.
Label
(Built-in Mathematica Symbol) Label[tag] represents a point in a compound expression to which control can be transferred using Goto.
LegendAppearance is an option for charting functions that specifies the appearance of any legends that are generated.