AllowInlineCells is an option for cells that specifies whether inline cells are permitted within a cell.
AnchoredSearch is an option for Find and FindList that specifies whether the text searched for must be at the beginning of a record.
Back
(Built-in Mathematica Symbol) Back is a symbol that represents the back of a graphic for purposes of placement and alignment.
BoxFormFormatTypes is a global option that specifies the list of typeset format types that are currently defined.
CellGroupingRules is an option for cells that specifies the rules used for grouping a cell.
ClearAll[symb_1, symb_2, ...] clears all values, definitions, attributes, messages, and defaults associated with symbols. ClearAll["form_1 ", "form_2", ...] clears all ...
Clock
(Built-in Mathematica Symbol) Clock[] represents a clock variable whose value cycles continuously from 0 to 1 once per second when it appears inside a dynamically updated object such as a Dynamic. ...
Context
(Built-in Mathematica Symbol) Context[] gives the current context. Context[symbol] gives the context in which a symbol appears.
Contexts[] gives a list of all contexts. Contexts["string"] gives a list of the contexts that match the string.
ContextToFileName["context"] gives the string specifying the file name that is by convention associated with a particular context.