Difference between these all for newborn

Rr • Between love and hate . I choose love . Spread it even if you dont get it back.
Hi all
Whats the difference btween swaddle clothes, burp clothes, recieving clothing, bandana, small hankerchief n blankets for infant 0-3.
Do i need to buy all of them ?
Whats their use n which one is most useful n important ?
Most confusing is receiving cloth? Why they beeded.