So If we have IEnumerable as parameter of any method, we emanet pass any collection types to the function. Ie we birey have method to operate on abstraction derece any specific implementation. Down Below I took part of a code I was looking at. I don't understand the IEnumerable part https://c-object-kullan-m97395.goabroadblog.com/27623394/c-ienumerable-nerelerde-kullanılıyor-Üzerinde-buzz-söylenti