CellMargins is an option for Cell that specifies the absolute margins in printer's points to leave around a cell.

Cell[contents] is the low-level representation of a cell inside a Mathematica notebook. Cell[contents, " style"] represents a cell in the specified style.

CellOpen is an option for Cell that specifies whether the contents of a cell should be explicitly displayed.

CellPrint[expr] inserts expr as a complete cell in the current notebook just below the cell being evaluated. CellPrint[{expr_1, expr_2, ...}] inserts a sequence of cells.

CellProlog is an option to Cell that gives an expression to evaluate before each ordinary evaluation of the contents of the cell.

CellSize is an option for cells that specifies the width and height of an inline cell.

CellTags is an option for Cell that gives a list of tags to associate with a cell.

CellularAutomaton[rule, init, t] generates a list representing the evolution of the cellular automaton with the specified rule from initial condition init for t steps. ...

CensoredDistribution[{x_min, x_max}, dist] represents the distribution of values that come from dist and are censored to be between x_min and ...

Censoring[t, c] represents a censored event time t with censoring c.Censoring[{t_1, t_2, ...}, c] represents a vector of censored event times t_i with censoring ...