A data entry clerk, sometimes called a typist, is a member of staff employed to type data into a database using a keyboard. The keyboards used can often have specialist keys and multiple colours to help them in the task and speed up the work. wikipedia.org

Translation is the communication of the meaning of a source-language text by means of an equivalent target-language text. wikipedia.org

Immigration law refers to national government policies control the phenomenon of immigration and deportation to their the legal status of people, in matters such as citizenship.

Cryptography is the practice and study of techniques for secure communication in the presence of third parties (called adversaries). wikipedia.org

The foreign exchange market is a global, worldwide-decentralized financial market for trading currencies. wikipedia.org

A spreadsheet is a computer application with tools that increase the user's productivity in capturing, analyzing, and sharing tabular data sets. It displays multiple cells usually in a two-dimensional matrix or grid consisting of rows and columns (in other words, a table, hence "tabular"). wikipedia.org