Cost to Serve is a process-driven accountancy tool to calculate the profitability of a customer account, based on the actual business activities and overhead costs incurred to service that customer.

Analysis of data, also known as data analytics, is a process of inspecting, cleansing, transforming, and modeling data with the goal of discovering useful information, suggesting conclusions, and supporting decision-making.

Data analysis has multiple facets and approaches, encompassing diverse techniques under a variety of names, in different business, science, and social science domains.

Interaction is a kind of action that occurs as two or more objects have an effect upon one another.

The idea of a two-way effect is essential in the concept of interaction, as opposed to a one-way causal effect.

A closely related term is interconnectivity, which deals with the interactions of interactions within systems: combinations of many simple interactions can lead to surprising emergent phenomena.

Interaction has different tailored meanings in various sciences.

Changes can also involve interaction.

Time is the indefinite continued progress of existence and events that occur in apparently irreversible succession from the past through the present to the future.

Time is a component quantity of various measurements used to sequence events, to compare the duration of events or the intervals between them, and to quantify rates of change of quantities in material reality or in the conscious experience.

Time is often referred to as the fourth dimension, along with the three spatial dimensions.

Understanding is a psychological process related to an abstract or physical object, such as a person, situation, or message whereby one is able to think about it and use concepts to deal adequately with that object.