Dictionary of the WBS.

The WBS dictionary serves to detail each component of the work breakdown structure (WBS). 
The WBS dictionary essentially defines the limits of what is included in the work package.

Output of the process 5.4 Create WBS of the PMBOK® Guide - Fifth Edition.

Status Report of the project.

SOW - Statement of Work.

Description of a product or service to be purchased under a contract; Statement of requirements.

The SOW should give sufficient information for the vendor to create and price a proposal cohesive with your project needs.

RFP - Request for Proposal.

Scope should be clear, well-defined and with measurable criteria.
You must adapt it to your needs

Project Charter