It means unclear or unknown
Answer:
Etiquette is a code of behavior that delineates expectations for social behavior according to contemporary conventional norms within a society, social class, or group. ... The etiquette of business is the set of written and unwritten rules of conduct that make social interactions run more smoothly
Explanation:
gd morning
have a lovely day
be happy keep smiling
Answer:
J-8
K-3
I-2 *i*
E-11
L-12
B-10
D-9
F-4
H-7
Explanation:
The only ones I wasn't sure about was
G-1
C-5
A-6
I hope this helps though!