| Supplier | Supplier is a Puro.earth Account Holder who has a registered facility capable of CO2 Removal. |
| Partner | Partner is for instance a dMRV provider, or other entity, who submits audit data on behalf of the Supplier. |
| Facility | Facility represents a physical or operational location where environmental activities occur. |
| Preliminary Assessment | A pre-screening process done by Puro to review a Supplier's readiness for a Facility audit |
| Monitoring period | Monitoring Period defines a specific time frame within a Facility during which CDR activities are tracked and reported. |
| Framework | Framework is a structured list of requirements a project must meet to demonstrate compliance. |
| Framework Instances | Frameworks are applied to Monitoring Periods by creating Framework Instances |
| Document | Documents are compliance requirements that define what evidence must be submitted. |
| Document Instances | Documents are applied to Monitoring Periods by creating Document Instances |
| Model | A Model performs calculations referencing Expected Field Values in a Framework. |
| Expected Field Value | A value anticipated or required by a Framework or Document, used as input for calculations in a Model. |
| Section | The top level of hierarchy in a Model; defines how the Model is organized. |
| Formula | A component within a Section that can reference other Formulas and/or Fields to perform calculations. |
| Field Library | A component within a Section that groups related Fields. |
| Field | Can reference expected values from Documents and perform calculations. |
| Batch | Batches are a quantifiable unit of carbon removal, defined by a unique identifier and linked to specific carbon sequestration metrics. |