Evaluate[expr] causes expr to be evaluated even if it appears as the argument of a function whose attributes specify that it should be held unevaluated.

"Evaluate" is a front end token that evaluates the selection in place.

SelectionEvaluate[notebook] replaces the current selection in a notebook with the result obtained by evaluating the contents of the selection in the kernel. ...

SelectionEvaluateCreateCell[notebook] takes the current selection in a notebook and creates a new cell containing the result obtained by evaluating the contents of the ...

Dynamic and Manipulate have holding attributes that are vital in making them work properly. However, those holding attributes can interfere with other structural operations ...

EvaluatePacket[expr] is a MathLink packet requesting evaluation of expr.

Evaluate Cells sends the selected cells to the kernel for evaluation.

Evaluate Notebook evaluates all the evaluatable cells in the notebook.

"EvaluateCells" is a front end token that sends the selected cells to the kernel for evaluation.

"EvaluateInitialization" is a front end token that evaluates all the initialization cells in a notebook.