What does a list sentence mean?

A "list sentence" is not a formally recognized grammatical term. It's likely a casual term used to describe a sentence that lists items or elements.

Here's what it probably means:

* A sentence that uses a series of items separated by commas or conjunctions: For example, "I need to buy milk, eggs, bread, and cheese."

* A sentence that uses a parallel structure to list out information: For example, "She is kind, intelligent, and funny."

* A sentence that focuses on enumerating a collection of things: For example, "The colors in the rainbow are red, orange, yellow, green, blue, indigo, and violet."

However, without context, it's difficult to determine the exact meaning. If you provide more information about where you encountered this term, I might be able to give you a more precise answer.