Analysis is the process of breaking a complex topic or substance into smaller parts in order to gain a better understanding of it.

The technique has been applied in the study of mathematics and logic since before Aristotle (384–322 B.C), though analysis as a formal concept is a relatively recent development.

Digital data, in information theory and information systems, are discrete, discontinuous representations of information or works, as contrasted with continuous, or analog signals which behave in a continuous manner, or represent information using a continuous function.

Evaluation is a.

systematic determination of a subject's merit, worth and significance, using criteria governed by a set of standards.

It can assist an organization, program, project or any other intervention or initiative to assess any aim, realisable concept/proposal, or any alternative, to help in decision-making; or to ascertain the degree of achievement or value in regard to the aim and objectives and results of any such action that has been completed.

The primary purpose of evaluation, in addition to gaining insight into prior or existing initiatives, is to enable reflection and assist in the identification of future change.