diff --git a/Documentation/i2c/i2c.svg b/Documentation/i2c/i2c.svg
new file mode 100644
index 000000000000..5979405ad1c3
--- /dev/null
+++ b/Documentation/i2c/i2c.svg
@@ -0,0 +1,1341 @@
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diff --git a/Documentation/i2c/summary.rst b/Documentation/i2c/summary.rst
index b7d3e620155b..fc69d9567d9d 100644
--- a/Documentation/i2c/summary.rst
+++ b/Documentation/i2c/summary.rst
@@ -31,21 +31,28 @@ implement all the common SMBus protocol semantics or messages.
 Terminology
 ===========
 
-When we talk about I2C, we use the following terms::
+Using the terminology from the official documentation, the I2C bus connects
+one or more *master* chips and one or more *slave* chips.
 
-  Bus    -> Algorithm
-            Adapter
-  Device -> Driver
-            Client
+.. kernel-figure::  i2c.svg
+   :alt:    Simple I2C bus with one master and 3 slaves
 
-An Algorithm driver contains general code that can be used for a whole class
-of I2C adapters. Each specific adapter driver either depends on one algorithm
-driver, or includes its own implementation.
+   Simple I2C bus
 
-A Driver driver (yes, this sounds ridiculous, sorry) contains the general
-code to access some type of device. Each detected device gets its own
-data in the Client structure. Usually, Driver and Client are more closely
-integrated than Algorithm and Adapter.
+A **master** chip is a node that starts communications with slaves. In the
+Linux kernel implementation it is called an **adapter** or bus. Adapter
+drivers are in the ``drivers/i2c/busses/`` subdirectory.
 
-For a given configuration, you will need a driver for your I2C bus, and
-drivers for your I2C devices (usually one driver for each device).
+An **algorithm** contains general code that can be used to implement a
+whole class of I2C adapters. Each specific adapter driver either depends on
+one algorithm driver, or includes its own implementation.
+
+A **slave** chip is a node that responds to communications when addressed
+by the master. In Linux it is called a **client**. Client drivers are kept
+in a directory specific to the feature they provide, for example
+``drivers/media/gpio/`` for GPIO expanders and ``drivers/media/i2c/`` for
+video-related chips.
+
+For the example configuration in figure, you will need a driver for your
+I2C adapter, and drivers for your I2C devices (usually one driver for each
+device).
