Final answer:
It is difficult to definitively identify the base of 's' without additional context, as the information provided seems to be a mixture of geometrical and quantum mechanical elements which are not directly related.
Step-by-step explanation:
The question is asking to define the base of s given certain equations and the orientation with respect to the x-axis and y-axis. Ordinarily, when discussing the base of a shape in a coordinate system, we refer to the side of the shape that is perpendicular to the chosen axis that the shape is oriented towards. However, the question seems to be mixing elements of geometry with notations that may pertain to other areas of mathematics or physics (like quantum mechanics), and it does not provide a clear definition of the variable s. The provided snippets appear unrelated to the geometric interpretation of the base of a shape within a coordinate system. Without further context or clarification, it is impossible to provide a definitive answer about what the base of s is in relation to the provided expressions. Typically, when defining the base of a shape in two-dimensional space, we would look at the shape's position relative to an axis and identify which side of the shape lies along that axis.