It seems like you are asking for an overview or assistance with "Connexus Unit 2" related to an educational program, which I assume may involve an online learning platform or curriculum. However, without more specific details about the subject matter or content of "Unit 2," it's difficult to provide tailored information.
If you can provide additional context—such as the subject area (math, science, language arts, etc.), particular topics covered in the unit, or specific questions you have—I would be better able to assist you. Alternatively, if you're looking for general advice on how to efficiently study or engage with online educational content, I can offer some tips!