One of the core strengths of Elasticsearch is its search capabilities. In the previous chapter, we gained a good understanding of Elasticsearch's core concepts, its REST API, and its basic operations. With all that knowledge at hand, we will further our journey by learning about the Elastic Stack.

We will cover the following topics in this chapter:

• The basics of text analysis
• Searching from structured data
• Writing compound queries
• Searching from full-text
• Modeling relationships