Section Title is not a question type but a means for categorizing different question types to help respondents easily answer your survey. In addition, Section Title can include introductory messages to guide respondents in answering questions. Section Title can also help organize the design and the layout.
You can also utilize all the common functions shared by all questions: Note, Add Media, and Style into Section Title to customize your survey design.
Most surveys require respondents to answer demographic questions. You can use Section Title to put all similar question types together.

This would help respondents answer the questions and therefore speed up response time.

The survey with Section Title will look like this
Summary
Utilize Section Title to separate different question groups for a more organized survey design and improved user experience. Bear this tip in mind when you design your survey next time!