Well lets get to clear your doubts

I have claimed a ticket (Steem Account) with my RC and I can name that account with any Steem username I want. That is, now I have 7 claimed account and now I can create 7 different steem accounts with any name I want.

that answers your 1st, 2nd & 3rd question

the last question's answer, Today I just showed the claiming process and in tomorrow's video or in next video I will show how to invite/use that claimed account to create a STEEM Account

Stay tuned for that buddy ;)