GraphDiameter[g] gives the maximum eccentricity of the vertices in the graph g.

CircularEmbedding[n] constructs a list of n points equally spaced on a circle. CircularEmbedding[g] embeds the vertices of g equally spaced on a circle.

GraphCenter[g] gives a list of the vertices of graph g with minimum eccentricity.

InduceSubgraph[g, s] constructs the subgraph of graph g induced by the list of vertices s.

MaximalMatching[g] gives the list of edges associated with a maximal matching of graph g.

LeftAssociates[q] gives a list of the 24 left associates of the quaternion q.

RightAssociates[q] gives a list of the 24 right associates of the quaternion q.

Unique[] generates a new symbol, whose name is of the form $nnn. Unique[x] generates a new symbol, with a name of the form x$nnn. Unique[{x, y, ...}] generates a list of new ...

AnimationCycleOffset is an option for cells that specifies the relative position of the next graphic to be used in an animation sequence.

ColorSelectorSettings -> {opt -> val} is a global option that specifies settings for the Color dialog box.