A single completed transmission, e.g., transmission of an invoice over an EDI network. Analogous to usage of the term in data processing in which a transaction can be an inquiry or a range of updates and trading transactions. The definition is important for EDI service operators who must interpret invoices and other documents.

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,