Final answer:
The free text section of the PCR where you can describe the call is known as the narrative section, which is vital for documenting detailed observations and treatment provided.
Step-by-step explanation:
The section of the PCR (Patient Care Report) that allows you to free text a description of the call is known as the narrative section. This part of the report is crucial as it provides a detailed account of the incident, the patient's status, the care provided, and other observations that numeric data and checkboxes cannot convey. It is in the narrative section where responders can fully document their observations, actions, and the patient's response to treatment. The narrative should be thorough and include as much relevant detail as possible, with a focus on clarity and accuracy to ensure that it is helpful for anyone reviewing the PCR later, such as healthcare providers or legal personnel.