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In geometry, a tesseract is the four-dimensional analog of a cube; also known as a hypercube.

"A tesseract is to the cube as the cube is to the square."

In programming, an array is a collection of elements identified by index or key.

"To store multiple values in a single variable, you can use an array."

JSON (JavaScript Object Notation) is a lightweight data-interchange format that is easy for humans to read and write and easy for machines to parse and generate.

"We're using JSON to format the response data from the server."

A body of words used in a particular language.

"Learning the vocabulary of a new language can be challenging."

A statement of the exact meaning of a word, especially in a dictionary.

"The definition of 'tesseract' can be found in geometry textbooks."

A thing characteristic of its kind or illustrating a general rule.

"Teachers often use examples to illustrate complex concepts."