You have been hired to create a company's website, and, as you prepare, you must...

Templates are the basic building blocks of Sitecore. They define the data structures that you use to create items and content in Sitecore. Templates consist of sections and fields that specify the type and format of the data that can be stored in an item. Templates also define the standard values, presentation details, and inheritance relationships of items. Templates allow you to create consistent and reusable data structures that can be applied to multiple items and content types. References: Sitecore 10.0 Developer Documentation - Templates