| Location | A site or direct area within a site | Assets, parts stock, meters, work, identifiers |
| Asset | A maintainable machine, system, vehicle, or component | Parent asset, location, parts, meters, documents, work |
| Work request | An issue proposed for review | Requester, asset or location, attachments, approver team |
| Work order | Authorized maintenance work | Asset or location, assignees, procedure, parts, time, cost |
| Procedure | A reusable checklist or inspection standard | Templates, work orders, assets, locations |
| Meter | A numeric counter/value or on/off condition | Exactly one asset or location, readings, automations |
| Part | A catalog item used for maintenance | Stock by location, compatible assets, vendors, work orders |
| Vendor | A supplier or service provider | Contacts, parts, assets, locations, purchase orders |
| Purchase order | A purchasing workflow and receipt ledger | Vendor, part or one-off lines, receiving locations |