Nikon D5500 - Manual (Page 184)

160 P, S, A, and M Modes
A
Manage Picture Control > Rename
Custom Picture Controls can be renamed at any time using the
Rename option in the Manage Picture Control menu.
A Manage Picture Control > Delete
The Delete option in the Manage Picture Control menu can be used
to delete selected custom Picture Controls when they are no longer
needed.
A
The Original Picture Control Icon
The original preset Picture Control on which
the custom Picture Control is based is
indicated by an icon in the top right corner
of the edit display.
Original
Picture Control icon