# Droplet Concepts – DigitalOcean Documentation

> Explanations and definitions of core concepts in Droplet.
- [Choosing the Right CPU Droplet Plan](https://docs.digitalocean.com/products/droplets/concepts/choosing-a-plan/index.html.md): In-depth comparisons of available CPU Droplet plans, including hardware and software, an explanation of shared CPU and dedicated CPU plans, and how to make a data-driven decision on which plan is best for your use case.
- [Considerations when Downsizing to a Smaller Droplet](https://docs.digitalocean.com/products/droplets/concepts/downsizing-considerations/index.html.md): Recommendations for downsizing Droplets, including making backups, manging DNS records and IP addresses, and migrating files.
- [Autoscale Pool Concepts](https://docs.digitalocean.com/products/droplets/concepts/autoscale-pools/index.html.md): Conceptual and technical details on Droplet autoscale pools, like what happens during scaling events, how the size of the pool is calculated, and when to scale.