Which of the following artifacts can be included in a content package?

 A content package is a collection of content items that are bundled together in a ZIP file that can be easily uploaded and installed into your subaccount. According to the SAP Help Portal1, the content items that can be part of a content package are:

Cards

Workspace templates

Home pages

Workflows

Workspaces

Therefore, the correct answer is A, B, and D. UI Integration Cards, workspace templates, and workflows are all examples of content items that can be included in a content package. SAP Fiori applications and launchpad (shell) plugins are not content items that can be part of a content package. References: 1: Content Packages | SAP Help Portal