HighlightGraph

HighlightGraph[g,{a1,a2,…}] highlights the ai that can be vertices, edges, or subgraphs of g.

HighlightGraph[g,{…,wj[aj],…}] highlights using the symbolic wrappers wj.

HighlightGraph[{v->w,…},…] uses rules v->w to specify the graph g.

Please visit the official Wolfram Language Reference for more details and examples on core symbols.