get-subgraph-definition-sup-master (#1636)

vesoft-inc · Sep 28, 2022 · 7208535 · 7208535
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diff --git a/docs-2.0/3.ngql-guide/16.subgraph-and-path/1.get-subgraph.md b/docs-2.0/3.ngql-guide/16.subgraph-and-path/1.get-subgraph.md
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 # GET SUBGRAPH
 
-The `GET SUBGRAPH` statement retrieves information of vertices and edges reachable from the source vertices of the specified edge types and returns information of the subgraph.
+The `GET SUBGRAPH` statement returns a subgraph that is generated by traversing a graph starting from a specified vertex. `GET SUBGRAPH` statements allow you to specify the number of steps and the type or direction of edges during the traversal.
 
 ## Syntax