HashiCorp Cloud Platform (HCP) Vault is a tool for secrets management, offering secure access to tokens, passwords, certificates, API keys, and other sensitive resources.
Feature flags are conditional code statements that can be turned 'on' or 'off' to control the visibility and functionality of certain software features.
Kubernetes secrets refer to managing sensitive data like passwords, tokens, SSH keys, and a specific Kubernetes feature, ‘Secrets’, handling this data.