Final answer:
In C++, combinations of letters, numbers, and special characters enclosed in quotation marks are known as strings, not arrays, enums, or objects.
Step-by-step explanation:
In C++, any combination of letters, numbers, and special characters enclosed in quotation marks is known as a string. This excludes arrays, enums, and objects which are different types of data structures and have their specific syntax and use cases.
Strings are used to represent text in programming. A string is a sequence of characters, and in C++, it is typically represented by an array of characters terminated by a null character (\0). For example, "Hello, World!" is a string. Unlike enums, which represent a set of named integer constants, or objects, which are instances of classes, strings are simply a means to store and manipulate text. Arrays may contain strings as elements but are not strings themselves.