What does "I know it." mean in English for Spanish?

In English for Spanish, "I know it." means:

Lo conozco.

Listen to "I know it.": (If you have an HTML5 enabled browser, you can listen to the native audio below)

This is a phrase that is used in the GamesForLanguage English for Spanish Language Game in the following scenes:

• English for Spanish 4, Level 3, Scene 5
• English for Spanish 4, Level 3, Scene 6