Definition: Audience targeting is a feature which helps to display the content/data (e.g. list, library, web part, links, etc...) to only specific group or Audience.
1. Below are the options of Audience
- SharePoint Group
- Distribution Lists(Can be created using Admin centre and it is used to add group and add user in to the group)
- Security Groups
- Global Audience (This is set using Manage Audience option in Office o365 and SharePoint server )
2. You can enable Target Audience on below options
- SharePoint List or Library
- List items
- WebPart
- Navigation Link