At times I've thought that that little device (pattern?) was essentially a closure, but since I don't really know what a closure is I can't really say! Uh, I'v

At times I've thought that that little device (pattern?) was essentially a closure, but since I don't really know what a closure is I can't really say! Uh, I've done a lot of programming in a lot of languages, but my main interest is not as a programmer but as a founder of a startup that needs some software!