The document discusses different statements used in contracting: Statement of Need (SON), Statement of Objectives (SOO), Statement of Work (SOW), and Performance Work Statement (PWS). It provides an overview of each statement, the typical inputs, techniques, and outputs for developing each one. Key information includes that a SON defines the problem and need, a SOO provides high-level objectives, a SOW captures work activities and requirements, and a PWS identifies tasks and performance requirements for the contractor. The document also reviews inputs, techniques and outputs for developing a SON, PWS, SOW, and SOO.