Explanation:

- Order 5, Rule 6: This provision in the Code of Civil Procedure deals with the fixing of a day for the appearance of the defendant in a lawsuit.

- Order 2, Rule 2: This rule deals with the requirement to include all claims related to a single cause of action in one suit, thereby preventing the splitting of claims.

- Order 6, Rule 10: This talks about the procedure for verifying pleadings, ensuring the correctness and authenticity of the advocation.

- Order 4, Rule 8: This relates to the procedure for registering suits in civil courts, detailing how they should be recorded.