“Bind” vs “Singleton”

Witajcie,
Jaka jest różnica pomiędzy “Bind” i “Singleton” w Laravelu (php)?

https://dev.to/aschmelyun/how-to-use-laravel-s-bind-and-singleton-methods-3e58#:~:text=The%20singleton%20pattern%20is%20used,only%20return%20the%20instantiated%20object.

https://laracasts.com/discuss/channels/general-discussion/bind-vs-singleton-when-and-what-to-choose