A key account is a particularly important customer of a company.
Key account management
Key account management describes the way in which a particularly important customer is looked after in a company.
Key performance indicator
A particularly important key figure that is used to determine the success of a company is called a key performance indicator (KPI).
A kickback is a colloquial term for a commission or a bribe.
The term consolidation competition refers to the race of companies to achieve leading market positions in consolidating (concentrating) markets by means of a merger and thus to achieve competitive advantages, such as technological advantages, economies of scale or market entry.
A KPI is the short form for a Key Performance Indicator, which expresses a key figure that is central to the evaluation of the company's success.