The I Button (The I Menu) - Nikon Z fc N2016 Reference Manual

The d (help) icon
A
･ Where available, a description of the currently-selected item can be
viewed by pressing the W (Q) button.
･ Press 1 or 3 to scroll.
･ Press W (Q) again to return to the menus.
Touch controls
A
You can also navigate the menus using touch controls (054).

The i button (the i menu)

For quick access to frequently-used settings, press the i button or tap
the i icon to view the i menu.
･ Different menus are displayed during photo mode and video mode.
Camera controls
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