Add a single sentence explaining what a context is

parent 53bf6dfc
...@@ -30,6 +30,9 @@ provided by the 0MQ library. ...@@ -30,6 +30,9 @@ provided by the 0MQ library.
Context Context
~~~~~~~ ~~~~~~~
The 0MQ 'context' keeps the list of sockets and manages the async I/O thread
and internal queries.
Before using any 0MQ library functions you must create a 0MQ 'context'. When Before using any 0MQ library functions you must create a 0MQ 'context'. When
you exit your application you must destroy the 'context'. These functions let you exit your application you must destroy the 'context'. These functions let
you work with 'contexts': you work with 'contexts':
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