This posting defines both claim and support. It further explains how claim and support relate to one another.
Although this topic covers a lot of ground, please allow some of my notes to serve as a starting point:
As you define a claim, please think of it as an assertion. Claims not only assert, but they also tend to infer. Please note how they often imply beyond facts. Claims also tend to infer beyond merely the facts. Claims also signify a main point, thesis, or main idea.
On the other hand, there is a difference between the terms. Please specify that a ...
This posting briefly compares and contrasts these terms.