We need a logo to represent our project. First we will design some logo proposals and after we will choose one to represent our project.
Here you can find some useful information to design your logo proposal.
You can read about What a logo is, you can watch 7 secrets to great logo design and you can see good logo examples in 100 Best Wordmark Logo Design.
Furthermore here you have some tools that can help you in the design purpose:
All sub teams must design a logo, and choose one of the designs as a finalist to vote the definitive logo.