· Indexers are always created with this keyword.

· Parameterized property are called indexer.

· Indexers are implemented through get and set accessors for the [ ] operator.

· ref and out parameter modifiers are not permitted in indexer.

· Indexer is an instance member so can't be static but property can be static.

· Indexers are used on group of elements.

· Indexer can be overloaded.