The term "Linear A" refers to a writing system that was used in ancient Crete around the 17th century B.C. It's important to understand that "Linear A" is not a word we use in everyday conversation; instead, it's a term that historians and archaeologists use to talk about this specific ancient script.
In summary, "Linear A" is a term used to describe an ancient writing system from Crete that historians study. It's not something you would encounter in regular English conversation, but it's important for understanding ancient civilizations.