file.nb is a Mathematica notebook file.
"SelectionConvert" converts the selected cells into a new format.
Edit Stylesheet edits the style definitions for the current notebook.
AllowGroupClose is an option for Cell that specifies whether a cell group can be closed normally.
AllowReverseGroupClose is an option for Cell that specifies whether a cell group can be reverse closed.
AutoMultiplicationSymbol is an option for objects such as Cell and Notebook that specifies whether to automatically display a multiplication symbol between numbers that would ...
Bold
(Built-in Mathematica Symbol) Bold represents a bold font weight.
CellAutoOverwrite is an option for Cell which specifies whether an output cell should be overwritten by new output when the preceding input cell is evaluated.
ChartLayout is an option to charting functions which specifies the overall layout to use.
CirculantGraph[n, j] gives the circulant graph with n vertices and jump j C_n (j).CirculantGraph[n, {j_1, j_2, ...}] gives the circulant graph with n vertices and jumps j_1, ...