Answer 1

A matrix used to clarify roles and responsibilities by describing participants involved in completing tasks or deliverables for a project or process

Answer 2

A simple method of managing who does what for routine activities. The RACI table has people's names across the top, and down the left hand column are listed the tasks (things to be done). The table is filled in with the appropriate letter: R for Responsible; A for Accountable; C for Consulted; I for Informed. Each row must have one A and at least one R.