What type of data structure is described as having one or more elements of the same type?

An array is described as a data structure that can contain one or more elements of the same type. This characteristic allows arrays to store multiple values in a single variable, making it easier to manage and manipulate collections of data. Each element in an array is identified by an index, which facilitates efficient access to each individual element.

In programming, arrays can be particularly useful for situations where you need to handle a list of items, such as a list of scores, names, or other homogeneous data. For instance, declaring an array of integers allows you to store multiple integer values, and all elements share the same type, ensuring consistency in operations performed on them. Thus, the defining feature of an array—the ability to store multiple elements of the same type—highlights why it is the correct answer in this context.