# Define questions
<a name="mturk-hits-defining-questions"></a>

The central component of a task in Amazon Mechanical Turk (Mechanical Turk) is the interface you provide for workers to give you the data you need. In Mechanical Turk tasks are presented via a web interface with which workers can interact and submit completed tasks. The following sections outline how to define a *question* in Mechanical Turk. 

**Topics**
+ [Use HTML to define questions](mturk-hits-defining-questions-html.md)
+ [Question definitions](mturk-hits-defining-questions-definitions.md)
+ [Requester website layouts](mturk-hits-defining-questions-web-layout.md)