GraphDifference[g_1, g_2] gives the graph difference of the graphs g_1 and g_2.
GraphDisjointUnion[g_1, g_2] gives the graph disjoint union of the graphs g_1 and g_2.GraphDisjointUnion[g_1, g_2, ...] gives the disjoint union of g_1, g_2, ....
GraphDistanceMatrix[g] gives the matrix of distances between vertices for the graph g.GraphDistanceMatrix[g, d] gives the matrix of distances between vertices of maximal ...
GraphDistance[g, s, t] gives the distance from source vertex s to target vertex t in the graph g.GraphDistance[g, s] gives the distance from s to all vertices of the graph g.
GraphHighlight is an option to Graph and related objects that specifies graph elements to highlight.
GraphHighlightStyle is an option to Graph and related objects that specifies styles to use for highlighted graph elements.
Graphics3D[primitives, options] represents a three-dimensional graphical image.
GraphicsColumn[{g_1, g_2, ...}] generates a graphic in which the g_i are laid out in a column, with g_1 above g_2, etc. GraphicsColumn[list, alignment] aligns each element ...
GraphicsComplex[{pt_1, pt_2, ...}, data] represents a graphics complex in which coordinates given as integers i in graphics primitives in data are taken to be pt_i.
GraphicsGrid[{{g_11, g_12, ...}, ...}] generates a graphic in which the g_ij are laid out in a two-dimensional grid.