On a military ID card, "CH" stands for "Child." It indicates that the cardholder is a dependent child of a service member or veteran. This designation is used to identify the relationship for access to benefits and services related to military affiliation.
URW stands for Un-Remarried Widow.
Probably "Special Privileges."
It stands for STEP CHILD, child would be CH, and spouse is SP
Deceased.
Non-Petty Officer
Deceased (or dependent of the deceased).
means that the ID card is for a dependent of a service member i.e, Wife, Husband, Daughter, Son...
'DB' is short for 'Date of Birth.'
== == It varies depending on the symbol.
if you mean credit card, it is the responsibility of the PRIME (meaning the person in whose name the card is under) card holder, so it is only ethical that the second card holder pays their own charges,
charges under Article of War 107
The "W" on a military ID card typically indicates that the individual is a member of the National Guard or Reserves. It signifies that the cardholder has a status related to their service, often distinguishing them from active-duty personnel. This designation helps in identifying the individual's eligibility for certain benefits and privileges associated with their military service.