The activities or services focussed on creation, rearrangement and interpretation of new and existing ideas are referred to as

The activities focused on the creation, rearrangement, and interpretation of new and existing ideas are classified as quaternary activities. This sector represents an advanced form of the service sector that is knowledge-oriented and involves specialized technical skills [1]. While tertiary activities involve general service provision like trade and transport [3], quaternary activities specifically center on intellectual pursuits, research, and development [1]. These activities include the collection, production, and dissemination of information [1]. In modern economies, this sector drives innovation and technological advancement through the generation of new ideas. The term 'aternary' in the options is a typographical variation of 'quaternary,' which is the standard economic term for knowledge-based services. Quinary activities, often grouped with quaternary, represent the highest level of decision-making and policy formulation [1].

Sources

1. [1] FUNDAMENTALS OF HUMAN GEOGRAPHY, CLASS XII (NCERT 2025 ed.) > Chapter 6: Tertiary and Quaternary Activities > QUATERNARY ACTIVITIES > p. 51
2. [3] https://www.investopedia.com/terms/s/sector.asp