Q1: Why doesn't this article include Transjordan in its scope? Why isn't Transjordan shown as part of Mandatory Palestine on the map?
A1: This article is about the British administrative unit in Palestine. There is a separate article covering the entity of the Emirate of Transjordan, and the Mandate legal instrument which acted as the constitution for both of these administrations.
Q2: What was the status of Transjordan in the Mandate for Palestine?