# 7.20. Suggest

Groonga has the suggest feature. This section describes how to use it and how it works.

- 7.20.1. Introduction
  - 7.20.1.1. Completion
  - 7.20.1.2. Correction
  - 7.20.1.3. Suggestion
  - 7.20.1.4. Learning
- 7.20.2. Completion
  - 7.20.2.1. How it works
  - 7.20.2.2. How to use
  - 7.20.2.3. How it learns
  - 7.20.2.4. How to update reading data
- 7.20.3. Correction
  - 7.20.3.1. How it works
  - 7.20.3.2. How to use
  - 7.20.3.3. How it learns
- 7.20.4. Suggestion
  - 7.20.4.1. How it works
  - 7.20.4.2. How to use
  - 7.20.4.3. How it learns
  - 7.20.4.4. How to extract learning data