Options

Options[symbol] or Options["symbol"] gives the list of default options assigned to a symbol.

Options[expr] gives the options explicitly specified in a particular expression such as a graphics object.

Options[stream] gives options associated with a particular stream.

Options[object] gives options associated with an external object such as an NotebookObject or CloudObject.

Options[obj,name] gives the setting for the option name.

Options[obj,{name1,name2,…}] gives a list of the settings for the options namei.

Please visit the official Wolfram Language Reference for more details and examples on core symbols.