Articles of incorporation , corporate charter are used to describe this document.
The document that is very formal in nature and also filled with information related to the creation of the company refers to the Articles of incorporation. It contains the details related to the name and address of the company, the type and the amount of stock that is to be issued, agent for service of process.
The document that contains the information related to the secretary of state during the time in which the business is incorporated refers to the corporate charter. This can also be referred as certificate of incorporation. The details in this documents may differ that depends on the size and the regulations of the company.