Office administration is a set of day-to-day activities related to financial planning, billing and recordkeeping, personnel, and physical distribution and logistics, within an organization. wikipedia.org

Process improvement is a series of actions taken by a process owner to identify, analyze and improve existing business processes within an organization to meet new goals and objectives. wikipedia.org

Program management is the process of managing several related projects, often with the intention of improving an organization's performance. wikipedia.org

Event management is the application of project management to the creation and development of festivals, events and conferences.

Business English is English language especially related to international trade. It is a part of English for Specific Purposes and can be considered a specialism within English language learning and teaching; for example, the teachers' organisation IATEFL has a special interest group called BESIG wikipedia.org

Recruitment refers to the process of attracting, screening, and selecting a qualified person for a job. All companies in any industry can benefit from contingency or retain professional recruiters or outsourcing the process to recruitment agencies. wikipedia.org

Management in business and organizations is the function that coordinates the efforts of people to accomplish goals and objectives using available resources efficiently and effectively. wikipedia.org

Analysis of data is a process of inspecting, cleaning, transforming, and modeling data with the goal of highlighting useful information, suggesting conclusions, and supporting decision making. wikipedia.org