# Core concepts

Understand the work model and configure the vocabulary your project uses.

## Choose a task

[Understand the research and experimentation model](https://conversionlab.app/docs/concepts/work-model)

Know when to use observations, insights, learnings, ideas, and experiments.

[Create and manage projects](https://conversionlab.app/docs/concepts/projects)

Group related work and manage a project’s name, appearance, and settings.

[Define pages, audiences, labels, and tags](https://conversionlab.app/docs/concepts/definitions)

Give project work a consistent vocabulary for targeting, categorization, and
filtering.

[Define metrics and winning direction](https://conversionlab.app/docs/concepts/metrics)

Create meaningful measurement definitions and map provider metrics.

[Collaborate with comments, attachments, and activity](https://conversionlab.app/docs/concepts/collaboration)

Keep discussion and evidence next to the work they describe.