"3ºPP_M|V" is notation for types of perspectives, and means:
> 3rd-person perspective + identity-filter:Maria + only includes the Visual salience-field (no auditory or somatic sensations projected)
"B1ºPP_R|Ω" means:
> base-level (ie, attached to physical body) 1st-person perspective + identity-filter:[Rime] + any and all salience-fields