Here's a home topic with a title and a single sentence as its body:
<hometopic> Welcome to My Application Congratulations, you've entered the online help for My Application. Here's a sample home topic that includes hyperlinks to its four subtopics: <hometopic> Welcome to Report Master Welcome to the online help for Report Master. Choose one of the following hyperlinks: <list bullet> * <xref Tutorial> * <xref Tasks> * <xref Concepts> * <xref Reference> <\list> If you need help, press F1.
The preceding markup produces this output: