What are the indexing capabilities of Neo4J?

Neo4j as a graph database features indexing as the preferred way to find start points for graph traversals. Over the years multiple different indexing approach have been added. The goal of this article is to give an overview on this to avoid confusion esp. for those who just recently got started with Neo4j.
A graph database using a property graph model stores its data in nodes, relationships and properties. In Neo4j 2.0 this model was amended with labels.
Neo4J supports no indexes in the beginning later it started support for manual ,automatic and schema indexes
Read more from about indexing in Neo4J from http://blog.armbruster-it.de/2013/12/indexing-in-neo4j-an-overview/