MID = Media IDentifier = Media code = code which is stored on the disc and can be read with a drive.
Having PIF on DVDs is normal, unlike C2 on CDs.
MAP633JG25065865 3 is a code in the hub area of the disc which can be read visually. PAP6, PAPA are some alternative beginnings of the hub codes.
These hub codes are hub codes from discs made by the manufacturer CMC Magnetics (who make discs with their own CMC ID, but also work as OEM for other companies like Verbatim making discs with their media code and technology).
Char 1: P = Plus, M = Minus
Char 2: A = Azo, O = TDK Dye, D/E/F = other dyes
Char 3: D = 4x speed rating, H = 8x speed, P = 16x speed
Except for the MAP633JG25065865 3, all the codes in your list are MIDs or media codes.
RICOHJPN is the beginning of the media codes of the discs made with technology from Ricoh.
TRT = Transfer rate test (CD-DVD Speed benchmark)
QS = Quality Scan, or quality score (something with the CD-DVD Speed disc quality test)
Hope I was able to help you a bit.