I haven't been using yED for architecture diagrams for a while, and this project has suffered as a result – there's currently at least one bug report that I probably won't get around to investigating. This project is now “officially” unsupported, and is looking for a new, loving maintainer.
yED is an awesome diagraming software.
AWS is Amazon Web Services. It appears in infrastructure / architecture diagrams.
AWS Simple Icons is an AWS-created icon set for use in architecture diagrams.
You can use "Import Section" in yED as described here.