# Concepts

- [What are Props?](/proper/concepts/props.md): Props are emoji reactions that say "thank you" to helpful colleagues.
- [What are Bundles?](/proper/concepts/bundles.md): Bundles are $100 increments of rewards for team members.
- [What are Polls?](/proper/concepts/polls.md): Simplify data driven decisions with the most feature-rich polls in Slack.
- [What is Feedback?](/proper/concepts/feedback.md): The best way to grow professionally is together.
- [What are Discussions?](/proper/concepts/discussions.md): Take the pulse on any issue without compromising privacy.