The Latin word "tabula" means a flat board or a tablet used for writing. There are various synonyms for this word, including "slate," "plank," "blackboard," "whiteboard," "chalkboard," "writing board," "clipboard," and "pad." These synonyms refer to different types of surfaces used for writing or drawing, but they all fall under the category of a flat board or tablet. For instance, a slate is a flat, rectangular piece of rock used for writing or drawing with a piece of chalk. A clipboard is a flat board used to hold sheets of paper while writing on them. Ultimately, the synonym that is most appropriate depends on the context in which "tabula" is used.