This image is a diagram that shows the following elements:
On the left side, at the top of the image, a box labeled "Testing INFORMANT" contains a smaller box, Key: customerID. This smaller box is labeled "Input." This entire grouping is labeled Integration Point.
An arrow pointing left, labeled CREATES or UPDATES, points to a box in the top center of the image labeled Session ENTITY. This box contains two smaller boxes: Key: customerID and customer.
Another arrow leads from this box to another box on the top right labeled Customer ENTITY. This box contains two smaller boxes: Key: customerID and age, language, ...
A two-way arrow points between this box and another box directly beneath it. This two-way arrow is labeled MAPPED TO. The box directly beneath the Customer ENTITY box is labeled Customer Data Source DATA SOURCE.
Below the Customer Data Source box, at the bottom right of the image, a cylinder is shown labeled RTD Database. This cylinder contains a small rounded box labeled CrossSellCustomers TABLE.
One arrow points from Customer Data Source to the RTD Database. This arrow is labeled INPUT customerID. Another arrow points from the RTD Database to Customer Data Source. This arrow is labeled OUTPUT age, language, etc...