> ## Documentation Index
> Fetch the complete documentation index at: https://docs.eversince.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Glossary

| Term                 | Definition                                                                                                                                                                                                                                                                                                                              |
| -------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| **Aspect ratio**     | The width-to-height ratio of the output. Supported: 16:9 (landscape), 9:16 (portrait), 1:1 (square), 21:9 (ultrawide).                                                                                                                                                                                                                  |
| **Brief**            | Your creative direction to the agent. Can be a single sentence or a detailed production document.                                                                                                                                                                                                                                       |
| **Skill**            | A layer of deeper domain expertise active during agent runs. **Eversince skills** are built and maintained by Eversince (cinema, animation, photography, ugc, music, motion graphics, and more); **custom skills** are yours (brand guidelines, style rules, workflows). Multiple can be active at once, sharing a 40,000-token budget. |
| **Credit**           | How Eversince measures creation. Costs vary based on model used.                                                                                                                                                                                                                                                                        |
| **Custom skill**     | Persistent instructions you can add, like brand guidelines, style rules, tone of voice, domain knowledge, or preferred workflows. Applied across projects when active.                                                                                                                                                                  |
| **Generation**       | A single output from an AI model. One image, video clip, or audio track.                                                                                                                                                                                                                                                                |
| **Long-term memory** | Patterns the agent learns from your feedback over time. Carries across projects.                                                                                                                                                                                                                                                        |
| **Motion graphic**   | A visual effect on the timeline such as kinetic text, data counters, and logo reveals. Built and customized by the agent.                                                                                                                                                                                                               |
| **Multi-shot**       | Video generation mode: direct multiple shots within a single generation, each with its own camera direction.                                                                                                                                                                                                                            |
| **Overlay**          | A visual layer on top of video such as text, logos, or motion graphics. Each has timing and position controls.                                                                                                                                                                                                                          |
| **Reference image**  | An existing image passed to the model for visual consistency. Character sheets, style references, product photos.                                                                                                                                                                                                                       |
| **Render**           | Compositing all timeline elements into a single exported MP4 file.                                                                                                                                                                                                                                                                      |
| **Scene**            | A segment of the timeline. Video or image with duration, volume, and fade controls.                                                                                                                                                                                                                                                     |
| **Timeline**         | The browser-based editor where scenes, audio tracks, overlays, and captions are composed and previewed.                                                                                                                                                                                                                                 |
| **Variation**        | An independent branch of a project with its own timeline state. Shares conversation and memory with other variations in the project.                                                                                                                                                                                                    |