Question

name a ray (just the letters)

Explanation:

Step1: Recall ray definition

A ray has one - endpoint and extends infinitely in one direction.

Step2: Identify rays in the figure

In the given figure, rays are of the form starting from a point and extending through another point. For example, $\overrightarrow{BA}$ starts at point $B$ and extends through point $A$.

Answer:

$\overrightarrow{BA}$ (Other possible answers could be $\overrightarrow{BC}$, $\overrightarrow{BD}$, $\overrightarrow{BE}$ etc.)