@ajay.meht the webhooks sent through workflows, and webhooks created using the Webhooks API are completely separate from each other.
The triggers you listed are part of the new Webhooks API. The instructions for setting up subscriptions for those events are details on the Webhooks API Overview:
Alternatively, if you’re working with a portal that has a Professional or Enterprise Marketing subscription, you can also trigger webhooks as an action in workflows. Workflows allow for more customized rules for triggers, so you’d be able to trigger a workflow based on multiple criteria. More details for setting up workflows can be found in our Workflows User Guide.