I'm going to try and explain some terms out to you guys so that we are all on the same page here. So, without further ado:
CC - Comitia Curiata, the assembly composed by Lictores that is responsible for investing people with Imperium
CCen - Comitia Centuriata, the assembly used to elect Praetores, Consules and Censores. It also approves laws
CT - Comitia Tributa, assembly used to elect Curule Aediles and Quaestores. They also approve laws.
CPleb - Concilium Plebis, the assembly responsible for electing Tribunes of the Plebs and Plebeian Aediles. Only the Plebs can vote on it.
CM - Curia Magistratuum, the place in the Senate where private discussions are made among the Magistrates and private items are voted upon.
CP - Collegium Pontificum, the College of Pontifices, the highest religious college in the RR.
CA - Collegium Augurum, the College of Augurs. An important religious College in the RR.
Salvete!- Greetings! (To more then one person)
[Sender] [Receiver] Sal. - Sender says Greetings to Receiver.
[Sender] [Receiver] S.P.D. Sender says many greetings to Receiver.
Vale! - Goodbye! (To one person)
Valete! - Goodbye! (To more then one person)
Civis (pl. Cives) - Citizen (pl. Citizens)
Quirites - Specifically Roman Citizens
This is all for now, but I will expand this list as words and phrases occur to me. If anyone has any question needing answer, please tell me.