1) A quantity of materials awaiting further processing. It can refer to raw materials, semi-finished stores, or hold points, or a work backlog that is purposely maintained behind a work center. 2) In the theory of constraints, buffers can be time or material, and support throughput and/or due date performance. Buffers can be maintained at the constraint, convergent points (with a constraint part), divergent points, and shipping points.

Top Online Marketplaces in Africa: A Complete Guide 2026
Table of Contents Introduction Africa’s digital commerce sector is entering a defining phase. By 2026, the continent’s online marketplaces are not only competing for consumers but also shaping logistics, payments, and digital trust. With smartphone penetration surpassing 50% and rapid improvements in digital infrastructure, platforms like Jumia, Takealot, Konga, Kilimall,