You will see a screen similar to this: Name Server section of the Domain Management Interface. Enter the nameservers for the domain name into the Nameserver entry boxes. Note: You only have to add the host name of the Name Server. (ie: NS1.EXAMPLE.COM) The IP address of the server is handled automatically.
webpack is the latest and greatest addition to a front-end developer's toolset. It is a module bundler suitable for the largest single-page web applications, and it can process JavaScript, CSS, and more.
Monitor is a service that every site owner should be utilizing. If one (or preferably more) of Stats, VaultPress, VideoPress, Related Posts, Subscriptions or Publicize can be added to the mix then installing Jetpack, despite the fact it will bloat your site, is a definite yes. Any other modules are then a bonus.