Merge pull request #559 from qdrant/mjang-embeddings-frameworks

Set up an index page for Concepts

qdrant-landing/content/documentation/concepts/_index.md

@@ -2,5 +2,52 @@
 title: Concepts
 weight: 21
 # If the index.md file is empty, the link to the section will be hidden from the sidebar
-is_empty: true
----
+---
+
+# Concepts
+
+Think of these concepts as a glossary. Each of these concepts include a link to
+detailed information, usually with examples. If you're new to AI, these concepts
+can help you learn more about AI and the Qdrant approach.
+
+## Collections
+
+[Collections](/documentation/concepts/collections/) define a named set of points that you can use for your search.
+
+## Payload
+
+A [Payload](/documentation/concepts/payload/) describes information that you can store with vectors.
+
+## Points
+
+[Points](/documentation/concepts/points/) are a record which consists of a vector and an optional payload. 
+
+## Search
+
+[Search](/documentation/concepts/search/) describes _similarity search_, which set up related objects close to each other in vector space.
+
+## Explore
+
+[Explore](/documentation/concepts/explore/) includes several APIs for exploring data in your collections.
+
+## Filtering
+
+[Filtering](/documentation/concepts/filtering/) defines various database-style clauses, conditions, and more.
+
+## Optimizer
+
+[Optimizer](/documentation/concepts/optimizer/) describes options to rebuild
+database structures for faster search. They include a vacuum, a merge, and an
+indexing optimizer.
+
+## Storage
+
+[Storage](/documentation/concepts/storage/) describes the configuration of storage in segments, which include indexes and an ID mapper.
+
+## Indexing
+
+[Indexing](/documentation/concepts/indexing/) lists and describes available indexes. They include payload, vector, sparse vector, and a filterable index.
+
+## Snapshots
+
+[Snapshots](/documentation/concepts/snapshots/) describe the backup/restore process (and more) for each node at specific times.