As a translator you have access to all translation memories assigned to you by the translation manager or account owner. In case you translate for more than one account in LiveWords, you can switch between accounts using the application links you have received at the start.
The translation memory(ies) you have access to within this account.
The channels over which the translatable content is divided.
To Do gives access to the workflow and the content that needs translating or review.
Translations will bring you to the actual Translation Memory for that specific language.
Reporting gives you access to the reporting on translated and reviewed word counts.