1 to ask for something -- chiedere, richiedere
We have requested two more computers. Abbiamo fatto richiesta per altri due computer.
2 the act of asking for something -- richiesta
After frequent requests, he eventually agreed to sing.
I did that at his request
3 something asked for -- richiesta
4 to ask (for) something; People using this library are requested not to talk; Many people have requested this next song. -- richiedere