Redirect both main and subdomain

I’m a bit newbie so please help me because I’m confused with “page rules” and “redirect rules”. I merged my website with a new one so I need some redirect.

Need to redirect everything. I had sub domain related to different languages so need to:

  1. .site1.com/ → *.site2.com

  2. /sezione/news/ → /category/notizie/

  3. /tema/* → /tag/*

Any suggestion is appreciate!

thank you