Data science, also known as data-driven science, is an interdisciplinary field about scientific methods, processes and systems to extract knowledge or insights from data in various forms, either structured or unstructured, similar to Knowledge Discovery in Databases (KDD).

Technology ("science of craft", from Greek, techne, "art, skill, cunning of hand"; and) is the collection of techniques, skills, s and processes used in the production of goods or services or in the accomplishment of objectives, such as scientific investigation.

Technology can be the knowledge of techniques, processes, and the like, or it can be embedded in machines which can be operated without detailed knowledge of their workings.

Educational technology is defined by the Association for Educational Communications and Technology as "the study and ethical practice of facilitating learning and improving performance by creating, using, and managing appropriate technological processes and resources".

A skill is the ability to carry out a task with pre-determined results often within a given amount of time, energy, or both.

Skills can often be divided into domain general and domain-specific skills.

For example, in the domain of work, some general skills would include time management, teamwork and leadership, self-motivation and others, whereas domain-specific skills would be useful only for a certain job.

Skill usually requires certain environmental stimuli and situations to assess the level of skill being shown and used.

Marketing is the study and management of exchange relationships.

The American Marketing Association has defined marketing as "the activity, set of institutions, and processes for creating, communicating, delivering, and exchanging offerings that have value for customers, clients, partners, and society at large.".