"Let's say we have a whiteboard and we have to count how many individuals visit our home. If our neighbor visits 5 times, they count as one unique visitor. If a

"Let's say we have a whiteboard and we have to count how many individuals visit our home. If our neighbor visits 5 times, they count as one unique visitor. If a friend comes over once, that's another unique visitor. So far, we have 2 unique visitors." They may not specifically use the word "distinct" (opting for phrases like "unique visitor" instead), but they certainly make the concept clear.