White propaganda refers to information or messages that are spread with the intention of promoting or supporting a certain idea, cause or group of people, but are not intentionally misleading or false.
To explain it as if you're 5 years old, imagine that you have a favorite toy that you really like to play with all the time. You want all your friends to play with it too because you think it's the best toy ever. You ask your friends to play with the toy with you, and you explain to them all the cool things that you can do with it.
This is kind of like white propaganda. You're promoting your toy and telling your friends about all the good things they can do with it, but you're not lying or making up stories about it. You're just sharing information that you believe is true and positive.
In the same way, white propaganda can be used to promote ideas, beliefs, or causes that people believe in. It is not meant to trick or deceive anyone, but is intended to share information that the person or group thinks is helpful or beneficial. So, white propaganda is like telling your friends about your favorite toy, but for grown-ups and important things.