With a Quote, you can edit the content until it is perfect and accepted by your customers.
After an invoice is good enough, below actions can be done:
Send (or Mark as Sent)
The status is changed to Awaiting and action list is updated
Accept: Awaiting invoice can be updated to Accepted and can be processed with following actions
Invoice: The quotation's status is Invoiced and an invoice is created as draft in tab Invoice
(image taken from Invoice app)
