Whether writing, reading, or otherwise present at a reading point (RP), a reading level test (RLT) specifies exactly three reading levels: math0, math5, and math29.
READING LEVEL TEST
All reading points (now) specify
reading levels:
That is (for instance): a specific stop sign, as a reading point identifier (RPI), specifies where to stop (math0), a driver (math5), and their immediate context (math29).