Which of the following refers to a specific task products or outcomes that are required in order to complete the project?

Deliverables refer to the quantifiable goods, services, products, or outcomes that must be provided upon the completion of a project or a specific task. In business continuity and project management, defining deliverables ensures that the required outputs (such as a Business Impact Analysis report, a Business Continuity Plan, or a risk assessment matrix) are met to achieve the project's objectives. They are the tangible or intangible results of the completed work.

A. Timescale: Timescale refers to the schedule or duration allowed for the project, not the physical products or outcomes.
C. Function: Function refers to an organizational unit or routine process, not the specific output or product of a project task.
D. Task: A task is the actual work or activity performed to produce the deliverable, not the outcome itself.

Project Management Institute (PMI), A Guide to the Project Management Body of Knowledge (PMBOK® Guide) – Sixth Edition, Glossary (Definition of Deliverable).

ISO 9000:2015, Quality management systems — Fundamentals and vocabulary, Clause 3.7.5 (Output/Result).