Homonym: cardinal (Religious)
The term "cardinal" can refer to a number of concepts, but it is most commonly associated with numbers. In mathematics, cardinal numbers represent quantity and answer the question "how many?" Examples include 1, 2, 3, and so on. These numbers are used for counting and indicate the size of a set.
In a different context, "cardinal" can also refer to a type of bird, specifically the Northern Cardinal. This bird is known for its bright red plumage and distinctive crest. Cardinals are often found in North America and are popular among birdwatchers due to their striking appearance and melodic songs.