Here's a breakdown:

* Binomial means "two names".

* Nomenclature refers to the system of naming things.

How it works:

Every organism is given a two-part scientific name:

1. Genus: The first part of the name, like *Homo* for humans. This groups the organism with similar species.

2. Specific epithet: The second part of the name, like *sapiens* for humans. This distinguishes the organism from other members of the same genus.

Example: The scientific name for humans is *Homo sapiens*.

Importance of Linnaeus' System:

* Standardization: Before Linnaeus, organisms had long and descriptive names that varied from person to person. His system provided a consistent and universal way to identify and classify organisms.

* Clarity: The two-part name is clear and concise, making it easy to communicate about organisms.

* Organization: Linnaeus' system is hierarchical, grouping organisms based on shared characteristics. This helps to understand evolutionary relationships and classify biodiversity.

Linnaeus' binomial nomenclature is still the foundation of biological naming today.