What is the difference between a job, a position, and a post?

Title (Title) in the international commonly defined as "distinction between professional and technical or academic level of the grade title", is awarded to professional and technical personnel "title" or "title" to reflect a person's "professional and technical or academic level of the grade". ", reflecting a person's "professional and technical or academic level of grade". Position that work (job), it is the category of work performed by the enterprise employees. Position refers to a group of similar main responsibilities of the position (or position), it is by the realization of the functions of the enterprise a specific activity composed of a relatively independent body. Position that position (position), it refers to a specific business organization, in a specific time, by a specific person to undertake one or more tasks. Simply put, the position is a business of an employee needs to complete a task or a group of tasks. Job indicates the type of work, while the position indicates the work task; job and organization have no direct relationship (exactly, a job can be owned by more than one department, and a department can also have more than one job), the position has a direct relationship with the organization (i.e., a position can only be owned by a specific department).