a torch (stick with flame at one end) / the flame of an oil lamp

an appointment, assignment, installation, induction, or instatement of a person to an office or position

to appoint, assign, install, induct, or instate a person to an office or position

to lose sight

loss of sight

Kunming (a prefecture-level city, the provincial capital of Yunnan, in southwestern China)

light and darkness / the difference between a positive or negative outcome (e.g. happiness vs. sadness or success vs. failure)

see through, have an insight

clear insight

illuminate