What does enemy of viruses cyber square yellow what does it mean on mega man battle network whit

The enemies of viruses are virus busters, which is what the Virus Lab in Sci-Lab is dedicated to. Therefore, you are directed to the Sci-Lab Square. Yellow refers to the yellow navi by the shortcut, who, after she receives a longsword E, will give you a CyberYokaPass, and direct you to Yoka Square.