The correct answer is option 2: inary activities. Inary activities are the activities or services that involve the creation, rearrangement, and interpretation of new and existing ides. These activities are typically intellectual in nature and require a high level of cognitive skills. They involve tasks such as research, analysis, problem-solving, and innovation.

Option 1: Tertiary activities refer to the economic activities that involve the provision of services to people and businesses, such as banking, education, healthcare, and tourism. These activities are not specifically focused on the creation or interpretation of ideas.

Option 3: Secondary activities refer to the economic activities that involve the manufacturing or processing of raw materials into finished goods. These activities do not primarily focus on the creation or rearrangement of ideas.

Option 4: There is no specific term referred to as "inary activities". It is not a recognized term related to the activities or services focused on the creation, rearrangement, and interpretation of ideas.

Therefore, the correct answer is option 2: inary activities.