The main plot is usually about Little Red facing the very hungry lion. Maybe Little Red has to find a way to either escape from the lion or deal with its hunger in some clever way.
The moral could be about friendship. The lion and the little red bird, despite their differences, interact in a way that shows how two different beings can have a positive relationship.
The main characters are the lion and the little red bird. The lion is often associated with strength and power in many stories, while the little red bird is likely to bring an element of color, perhaps a sense of lightness or grace. Their interactions form the core of the story, whether they are getting along, facing challenges together, or learning from each other.
It could be about a very hungry ghost's experiences, like its search for food or the reasons it is so hungry. Maybe it involves the ghost's encounters in the afterlife while being in a state of extreme hunger.
The key character is the very hungry caterpillar. It's the one that drives the whole story forward. And then there are the food items which can be considered as sort of secondary characters in a way. They are what the caterpillar interacts with. So, we have apples, pears, plums, strawberries and many other fruits and foods that the caterpillar eats throughout the story.
The primary character in the story is the little caterpillar. It's a hungry little fellow. Other elements in the story are the food items it consumes. These food items play an important role as they are what the caterpillar interacts with, but they are not characters like a living being with its own actions and motives other than being eaten by the caterpillar. So mainly, it's the little caterpillar that drives the story forward.
The main character is the hungry little caterpillar. There are also the things it eats like apples, pears, plums etc. And at the end, it becomes a butterfly.
The main character is the little hungry caterpillar. There may also be other things like the fruits and leaves it eats which could be considered secondary characters in a way.