The cartoon kid could be holding out hand to greet someone or to show friendliness. It could also be that they want to catch something that's being thrown to them.
It could symbolize protection and care. The mom holding the kid's hand shows her safeguarding and guiding the child.
It could symbolize connection or support. Maybe it shows a transfer of something, like power or an idea.
Maybe it's part of a story to represent greed or a reward. The hand holding money might symbolize the pursuit of financial gain or a fortunate outcome.
It could be holding a pen or a paintbrush.
It can symbolize friendship, connection, or support. It often conveys a sense of closeness and unity.
The old hand holding a hand fan in a cartoon could have multiple meanings. It could be a visual cue for a story about aging and memories, or it could simply be a decorative element to enhance the aesthetic. Sometimes, such imagery is used to evoke a sense of nostalgia or to create a unique character trait.
Maybe the first kid is trying to protect the other from something dangerous ahead.
Maybe the kid is about to do some art or craft project that requires scissors.
The kid might be using the cartoon as a prop for imaginative play or showing it to someone.
The kid could be holding a lemon for a science project or to use it in some kind of game. It's hard to say exactly without more context.