What does "cum" mean?

(1) and, both: brother ~ brother.

(2) Moreover, to, to: ~ this year.

(3)

Last name.

(in the dictionary)

Among them, the first meaning is most commonly used. If you pay attention, you will often find this word on the slogans of some conferences, such as "XX Company annual work summary and Advanced Commendation Conference", which means that the contents of this conference include annual work summary and advanced commendation.