Hello Tutor please help me understand the topics

1. AIS People.

The people in AIS are the system users. AIS helps the different departments within a company work together.

Please help me understand how important AIS to various professionals who may need to use an organization's AIS:

a. Accountants

b. Consultants

c. Business Analysts

d. Managers

e. Chief Financial Officers

f. Auditors

2. Procedures and Instructions. The procedures and instructions of AIS are the methods it uses for collecting, storing, retrieving, and processing data. These methods are both manual and automated. The data can come both from internal and external resources. Procedures and instructions will be coded into the AIS software. However, the procedures and instructions should also be "coded" into employees through documentation and training. The procedures and instructions must be followed consistently in order to be effective.

Please help me understand how the business transactions mentioned below are processed in AIS Environment:

a. Purchasing

b. Sales

c. Production (manufacturing)

d. Chart of Accounts, Ledgers and Journals