Lou F.

Microsoft Office is an office suite of desktop applications, servers and services for the Microsoft Windows and OS X operating systems. wikipedia.org

Customer service is the provision of service to customers before, during and after a purchase. wikipedia.org

Data processing is, generally, "the collection and manipulation of items of data to produce meaningful information".

Microsoft Excel is a proprietary commercial spreadsheet application written and distributed by Microsoft for Microsoft Windows and Mac OS X. It features calculation, graphing tools, pivot tables, and a macro programming language called Visual Basic for Applications. wikipedia.org

Retail consists of the sale of physical goods or merchandise from a fixed location, such as a department store, boutique or kiosk, or by mall, in small or individual lots for direct consumption by the purchaser. wikipedia.org

Data management comprises all the disciplines related to managing data as a valuable resource.

Data ingestion is the process of obtaining, importing, and processing data for later use or storage in a database. This process often involves altering individual files by editing their content and/or formatting them to fit into a larger document.

Data mining is the process of discovering new patterns from large data sets involving methods at the intersection of artificial intelligence, machine learning, statistics and database systems. wikipedia.org