1. Material master
   1. It is a central repository for deferent module data, it contains deferent information about material like unit of measurement, type of material etc.
      1. T code
         1. MM01
            1. Create material master Or Copy Material
            2. selection screen- Creating views which need
            3. Input screen to create material
         2. MM02
            1. change/ Extend material master
            2. Selection screen- Select the view in which we need to change.
            3. change screen
         3. MM03
            1. Display material master
            2. Selection screen- Select the views which we need to check.
            3. Output screen
         4. MM60
            1. Material List
            2. Selection screen
            3. Output Screen
2. BOM (Bill of material)
   1. It shows how many child components are inside a finished good.
      1. T Code
         1. CS01
            1. Create BOM
            2. Selection screen
            3. Input screen.
            4. Input screen.
         2. CS02
            1. Change BOM
            2. selection Screen.
            3. selection Screen.
            4. input Screen
         3. CS03
            1. Display BOM
            2. selection Screen.
            3. Input screen
            4. output screen
3. Work Center
   1. work center is a physical place, where manufacturing of material take place, it can be group of machine or combination of machine and labour for example assembly line.
      1. T Code
         1. CR01
            1. Create Work center
            2. selection screen
            3. Input screen.
         2. CR02
            1. Change work center
            2. Selection Screen.
            3. Input Screen.
         3. CR03
            1. Display Work center
            2. Input screen.
            3. Output Screen.
4. Routing
   1. No of steps or process involved into manufacturing a material is called Routing in discreet manufacturing while it is called phases in process industry and rate routing for Repetitive manufacturing.
      1. T Code
         1. CA01
            1. Create Routing for discreet manufacturing
            2. Input screen.
            3. Input screen.
            4. Output screen.
         2. CA02
            1. Change Routing for discreet manufacturing
            2. Selection Screen.
            3. Selection Screen.
            4. Output Screen.
         3. CA03
            1. Display Routing for discreet manufacturing
            2. Selection Screen
            3. Selection screen
            4. Output Screen
5. Production Version
   1. It is the combination of routing and BOM for a finished good.
      1. T code
         1. C221
            1. Creation and change of production version
            2. Input/Output screen