What documents are required to complete my Qapita Spark setup

What does each document contain? 

Articles of Incorporation :

Also known as the Certificate of Incorporation or company charter, this document is issued by the secretary of state and confirms the legal formation of the company. It includes key details such as the legal company name, authorized share count, and company tax information, and is required for certain corporate actions. 

Common Stock Purchase Agreement :

A Common Stock or Share Purchase Agreement is a legal contract between the company and a purchaser that governs the issuance of shares. It outlines key terms such as the number and class of shares issued, the purchase price, payment terms, representations and warranties of the parties, and any conditions or obligations associated with the transaction.