A debt is an obligation to return something, usually money, that you have borrowed from someone else. Debts are usually repaid with interest, which means that you pay back more than you have borrowed.
An egret is a white heron. There are several different kinds of egret, all of them are white or pale.
Scientific name: mustela putorius furo
Fis forFile cabinet
You forget something if you don't do it, but not on purpose. You might forget to do your homework, or go out and forget your keys.
The man in the picture has forgotten to put his pants on before he goes to work.