| Production capacity, PC | Quantity of products that an organization can manufacture using materials, workforce, machinery and facilities within a period (Saleeshya et al., 2012; Sánchez-Partida et al., 2018; Huang et al., 2022; Damian-Garcia et al., 2023; Guzel and Asiabi, 2022) |
| Defects | Products that do not meet customer standards (Dora and Gellynck, 2015; Díaz-Reza et al., 2016) |
| Cycle time | Time required to perform an activity in the production process (Bugvia et al., 2021; Damian-Garcia et al., 2023; Rochman et al., 2024) |
| Lead time | Time elapsed between the moment the customer places an order until they receive it (Kumar et al., 2018; Choudhary et al., 2019; Martins et al., 2021; Bugvia et al., 2021; Huang et al., 2022) |
| Work in process | Work in process inventory (Choudhary et al., 2019; Bugvia et al., 2021) |