Explanation:

- Section 2: Contains definitions of the terms used in the Code of Civil Procedure (CPC). It helps clarify the meaning of various terms applied throughout the Code.

- Section 3: Concerned with subordinate or subordination processes, relating to the application of the Code, the precedence between acts, rules, and notifications.

- Section 4: Deals with the jurisdiction and related limitations of the applicability of the CPC, particularly in the context of specific legislation in practice.

- Section 8: This section addresses matters relating to the jurisdiction of courts over certain areas and specific types of suits and issues.