Unicode: 00BB. Alias: Esc g>> Esc. Letter-like form. Used as closing quotation marks in languages such as Spanish. Not the same as \[GreaterGreater]. Not the same as >. ...
Unicode: 2218. Alias: Esc sc Esc. Infix operator. x ∘ y is by default interpreted as SmallCircle[x,y]. Used to indicate function composition. Not the same as the letter-like ...
Unicode: 2502. Alias: Esc vline Esc. Letter-like form. Extensible character. Not the same as \[VerticalSeparator] or \[VerticalBar], which are infix operators. Not the same ...
"SelectTerminalWindow" is a front end token that opens a terminal window to the machine specified by a kernel name.
Cell Properties opens a submenu to select and toggle cell properties.
Ungroup Cells/Group Normally ungroups the selected sequence of cells.
ClosingAutoSave is an option for notebooks that specifies whether a notebook is automatically saved when it is closed.
ExternalDataCharacterEncoding is a global option that specifies the character encoding used in reading and writing plain text data outside of Mathematica.
RawData
(Built-in Mathematica Symbol) RawData[data] is a low-level representation of the contents of a cell in which Show Cell Expression has been toggled.
Saveable is an option for notebooks that specifies whether a notebook can be saved.