* DNA is a linear sequence of nucleotides: This is absolutely true. DNA is made up of four different nucleotides: adenine (A), guanine (G), cytosine (C), and thymine (T). These nucleotides are arranged in a specific order along a long, linear chain.

* "Language" is a metaphor: While we often talk about DNA as a "language," it's not literally a language like English or Spanish. It doesn't use words or grammar in the traditional sense. However, the sequence of nucleotides *does* carry information, and that information can be interpreted by cells to build proteins and regulate other cellular processes.

So, to be more precise:

* DNA has a linear sequence of nucleotides.

* This sequence can be interpreted as a code, similar to a language.

Let me know if you'd like to learn more about the specific ways DNA's code is read and used by cells!