Not to be confused with `` terms '' in everyday usages , the shortened form of technical terms ( or terms of art ) which are defined within an academic system or a field of specialty . Terminology studies among other things how such terms of art come to be and their interrelationships within a culture . `` Terms '' ( i.e. index terms ) used in an information retrieval context are not the same as `` terms '' used in the context of terminology , as they are not always technical terms of art .