Answer:
First of all, you can just search it up on the dictionary, but <em>procedures </em>are established or official ways of doing something.
For the answer to the question above,
Well, I believe the answer on your question is 3 parts.
1. Part A is attached to the detainee in order to restrict detainee's movement, could be made from any type of durable material.
2. The Part B is retained by the capturing unit and maintained in the unit's records lastly.
3. The Part C is attached to the tools/belongings confiscated from the detainee, so it could be matched later.
Hieroglyphics is how they communicated but not really. It was used as symbolism i guess you could say. Have you seen those movies where you see all the ancient art on the inside of caves?? That's basically what it was in Egypt except it was used as art