Reading here talks about the ENI (Elastic Network Interface). Do I need to create these manually when using the Global Accelerator, or what do I need to do in regards to ENIs?
Do I need to manually create ENIs, or are they created automatically, when using Global Accelerator? If manual, do I connect them with instances or what do I connect them to?
They are automatically created when the Global Accelerator is created.
The ENI is the way that resources connect into the VPC. ENIs are also used by EC2, Lambda, RDS, Redshift, etc.