Your public profile is what people see when they visit
soshiku.com/users/[your username]. You can also view your public profile by clicking "View Public Profile" when you're editing your profile.

Your public profile shows your name, picture, and a partnership request button (See
Adding Partners).
Feed Items
The Feed Items section of your public profile lists things you've done on Soshiku, such as create a (public) assignment, add a message to an assignment, add a task, etc.

You can choose what you don't want to be shown in your feed by changing your preferences.