Yes, you can create workflows for SharePoint lists in SharePoint Designer, but they aren't the most robust workflows you may need for your organization.

SharePoint 2013 also supports SharePoint 2010 workflows that are built on Windows Workflow Foundation 3, with SharePoint workflow interop. Microsoft provides this to make the workflow migration ...

Now that you know how to use SharePoint 2007's built-in workflows to create a simple document-approval process, I'll show you how to build a SharePoint 2007 workflow from scratch.

Microsoft Flow provides SharePoint Online with more robust and reliable workflows than BCS, and the new administrative tool ensures they're in compliance with your organization's data loss ...

SharePoint 2013 workflows for automating common business processes can be deployed as SharePoint apps built using Visual Studio.