We have a need to classify stuff—including all living things.

For example, the scientific approach to an orderly classification of plants and animals according to their presumed natural relationships is called taxonomy.

Remember middle school science classes? Animals (including humans) are classified by kingdom, phylum, class, order, family, genus, and species.

Oh, you were sick that day? Well, the point is this—classifying or grouping is very common and is an important aspect of the Insurance Services Office, Inc. (ISO), commercial general liability (CGL) policy.