WordSearch is an option for Find and FindList that specifies whether the text searched for must appear as a word.
Entering Greek Letters Entering Two-Dimensional Input Editing and Evaluating Two-Dimensional Expressions
Find searches the current notebook for matches to the text contained in the Search for: field of the dialog box.
Splice
(Built-in Mathematica Symbol) Splice["file"] splices Mathematica output into an external file. It takes text enclosed between < * and * > in the file, evaluates the text as Mathematica input, and replaces ...
Mathematica not only has systemwide support for arbitrary Unicode characters, but also includes nearly a thousand carefully designed characters for mathematical notation and ...
Left
(Built-in Mathematica Symbol) Left is a symbol that represents the left-hand side for purposes of alignment and positioning.
NotebookDelete[notebook] deletes the current selection in the notebook corresponding to the specified notebook object. NotebookDelete[] deletes the current selection in the ...
Right
(Built-in Mathematica Symbol) Right is a symbol that represents the right-hand side for purposes of alignment and positioning.
Widget["Label"] represents a textual label.
OptionInspectorSettings -> {opt_1 -> val_1, opt_2 -> val_2, ...} is a global option that specifies the display of options in the Option Inspector.