NotebookConvertSettings -> {opt_1 -> val_1, opt_2 -> val_2, ...} is a global option that specifies settings for converting imported legacy notebooks.
NotebookDirectory[] gives the directory of the current evaluation notebook. NotebookDirectory[nb] gives the directory for the notebook specified by nb.
NotebookDynamicExpression is an option for notebooks that specifies an expression to be dynamically updated whenever that notebook is open.
NotebookEvaluate[notebook] evaluates all the evaluatable cells in notebook.
NotebookEventActions is a notebook option that gives a list of actions to perform when specified events occur in connection with the notebook.
NotebookGet[obj] gets the raw expression corresponding to the notebook represented by the notebook object obj. NotebookGet[] gets the raw expression corresponding to the ...
NotebookInformation[] gives a list of properties of the current evaluation notebook.NotebookInformation[notebook] gives a list of properties for the specified notebook.
Notebook[{cell_1, cell_2, ...}] is the low-level construct that represents a notebook manipulated by the Mathematica front end.
NotebookObject[fe, id] is an object that represents an open notebook in the front end.
NotebookPath is a global option that determines which directories are searched when a specified notebook is needed.