Whenever Mathematica draws a three-dimensional object, it always effectively puts a cuboidal box around the object. With the default option setting Boxed->True, Mathematica ...

CFunction[type, name, args, body] is a symbolic representation of a function definition.CFunction[type, name, args] is a symbolic representation of a function declaration.

MultinomialDistribution[n, {p_1, p_2, ..., p_m}] represents a multinomial distribution with n trials and probabilities p_i.

Play[f, {t, t_min, t_max}] creates an object that plays as a sound whose amplitude is given by f as a function of time t in seconds between t_min and t_max.

Precision[x] gives the effective number of digits of precision in the number x.

FaceGridsStyle is an option for 3D graphics functions that specifies how face grids should be rendered.

GridLinesStyle is an option for 2D graphics functions that specifies how grid lines should be rendered.

Nearest is used to find elements in a list that are closest to a given data point. Nearest function. Nearest works with numeric lists, tensors, or a list of strings.

file.cdf is a Computable Document Format file.

OperatingSystem is an option for file and related operations that specifies the type of operating system to use to determine file name and other conventions.