Can someone please explane fev thing about hashcat to me

[Vido]

I did not get mail for sub on this third strange but not important
Hey atom your answer is like oh ... a gift from heaven thank u very very much

U know what I will write in wiki, starting forom now but there are some things that I do not understand
so when I learn some things I will love to write it down

Thank you for developing this tool and for helping me to figure out this puzzle