The coat might be a key element that drives the plot forward. For example, if the character with the coat is being chased because someone wants the coat, that would create action and conflict.
The 'Christmas Coat Story' might be about a special coat related to Christmas. Maybe it was a coat that was given as a Christmas gift, or a coat that had some magical or heartwarming experiences during the Christmas season. Without more specific details, it's hard to say exactly what the story is about.
I'm not sure specifically as there could be many different 'a coat of gold fanfictions'. It might be about a character who has a coat made of gold, perhaps in a fantasy or historical setting. Maybe it's a magical coat with special powers.
The coat in 'A Christmas Story' is often seen as a symbol of childhood longing and the anticipation of the holiday season. It adds to the charm and nostalgia of the story.
To draw folds on a coat for comics, you need to consider the fabric type and how the body beneath is positioned. For example, if the person is bending an arm, it'll cause specific folds. Also, pay attention to the direction and intensity of the light to show the depth and texture of the folds.