CriticalSection[{var_1, var_2, ...}, expr] locks the variables var_i with respect to parallel computation, evaluates expr, then releases the var_i.

Cubics is an option for functions that involve solving algebraic equations, that specifies whether explicit forms for solutions to cubic equations should be given.

DegreeGraphDistribution[dlist] represents a degree graph distribution with vertex degree dlist.

DirectedEdges is an option for Graph, GraphPlot, and related functions that specifies whether edges should be taken to be directed.

Element[x, dom] or x \[Element] dom asserts that x is an element of the domain dom. Element[{x_1, x_2, ...}, dom] asserts that all the x_i are elements of dom. Element[patt, ...

EventLabels is an option to CandlestickChart, KagiChart, and similar functions that specifies events to labels.

Exponent[expr, form] gives the maximum power with which form appears in the expanded form of expr. Exponent[expr, form, h] applies h to the set of exponents with which form ...

FaceGrids is an option for three-dimensional graphics functions that specifies grid lines to draw on the faces of the bounding box.

FourierParameters is an option to Fourier and related functions that specifies the conventions to use in computing Fourier transforms.

FrameTicksStyle is an option for 2D graphics functions that specifies how frame ticks should be rendered.