| Idle Stock | Products that are not consumed within a certain period of time. |
| Inbound Logistics | Logistics activities occurring between the suppliers and the company, such as route choice, carriage, vehicle-cargo, follow-up, etc. |
| Inventory Days | The time-dependent quantitative measurement based on the period in which the stock at hand will be used. |
| Inventory Turnover | The proportion of sales or waste to the average stock. |
| Labeling | The labeling (coding) process applied to the product before the product is stored in the storehouse where the product follow-up is made via labeling. |
| LIFO | The rule generally used in warehousing, stipulating that the material that enters last should go out first. |
