What parts does the office OA system consist of?

System functions: Huatian Dynamics OA (mobile OA) system includes seven functional modules: information center, today's schedule, to-do center, approval view, document center, address book, and login WAP. Information Center: You can view the sending system short messages, notifications, news, announcements, and file information. You can view attachment text information attached to various messages online, and you can also reply, forward, delete, etc. to various messages. Today's schedule: You can view the daily to-do schedule, create new ordinary schedules and periodic schedules, and perform schedule processing. To-do center: You can view the information of the to-be-approved, to-be-readed, and to-do schedules, and you can also view the approval (agree, disagree, return to the previous step) and approval transfer records of the to-be-approved form. Approval View: You can view the information waiting for my approval and approved by me. Document Center: You can view the document information uploaded in the Document Center and personal file cabinets according to the divided actual directories, and you can read the content of the documents online. Address book: You can view the company, company, and personal address books of the system, and you can view the detailed information of any person in the address book, and can automatically identify phone numbers to make calls and send mobile text messages (requires mobile phone support) . Log in to WAP: Log in to the WAP version of OA through the mobile browser. Regardless of whether it is a smartphone or not, you can access the WAP version of OA through the mobile phone browser to implement mobile office applications [1].